In expert analysis, the young playmaker has demonstrated that he merits the first-choice spot for the national team's number ten versus New Zealand on Saturday.
The Northampton Saints star produced without doubt the best defensive performance observed by an English fly-half in several years.
His courageous approach by consistently making defensive hits versus a physical Fiji side stood out remarkably.
His tactical control proved exceptional - he demonstrated an excellent balance of finesse and control, while executing several crucial choices when things were not going to plan during the opening period.
His capacity to calm the team strategically and make important decisions represents an aspect he has really nailed.
In my opinion, the young fly-half is England's primary playmaker and he should start against New Zealand next week.
I believe the manager Steve Borthwick sees it similarly as well, because Fin has proven his capability in big international games.
George Ford started the previous weekend against Australia due to captaincy reasons, with some aspect of that choice aimed at ensuring consistency while acknowledging his performance from the tour of Argentina.
But England's showing versus the Pacific Islanders was a significant step up from the performance versus the Wallabies.
The Wallabies were defeated on Italian soil last weekend, so we should not get too carried away about that victory, which should have been more comprehensive given how off the pace the Australians performed.
Fiji, on the other hand, proved significantly threatening and presented a much more difficult test.
Fin Smith remains just 23 - projecting forward two years, alongside Ford pushing him but also offering backup, I think Smith will find himself in a very strong position in his career.
The Harlequins star must also be regarded as a possibility at the right time and against suitable opponents.
He's progressing in his career while beginning to establish himself, but he also requires liberty to show his distinctive qualities.
New Zealand brought on their impact player, who scored the match-winning try to beat the Scottish team, and that shows the significance of having individuals capable of creating a real impact from the bench.
Such type of player can be the difference separating victory the global tournament from failure.
The All Blacks substitute observes the match develop from the bench while considering about how to create an impact upon entering.
His decision-making and mistake frequency have enhanced substantially since his early professional days.
If we can get Smith to be that kind influential player, then having him among substitutes might prove beneficial.
However, currently I believe Marcus is the answer in the number fifteen position, so that is a role remaining up for grabs.
The All Blacks are likely to punt testing England's backfield, so it has to be watertight.
It is a position that needs to become a real strength, in defense and in terms offensive transitions threat.
Right now, I don't think Marcus is a full-back at the highest level.
I find it difficult to identify the benefit of playing him there.
I prefer the ball under his control as much as possible, but I believe this should occur in the front line, particularly during the last 20 minutes.
There are obviously a lot of similarities between Ford and Fin Smith.
Smith possesses the capacity executing the correct choices during tense moments - his instincts are not something that can be taught.
I recall when he got possession during one phase within his own half and it looked like it could be on if they swung it wide.
However during these split-seconds he thought they needed to turn the opposition as we are leading points-wise, therefore he punted to pressure the opponents and turn pressure.
This represents the type of playmaking that wins championships and wins global tournaments.
He additionally possesses that calmness under pressure directing the players nearby, while recognizing that he mustn't constantly serve as primary receiver.
I want to see him receiving the opportunity to show that at the highest level next week, similar to George Ford do, especially at domestic matches week in and week out.
During the South American tour, Ford also stood up in difficult circumstances, where historically one might suggest there have been times he has not quite delivered during extremely tense matches.
I think we have playmaking options who can do the job, though Smith's defence combined with everything else, establishes him as the better-rounded all-round performer.
It also means you don't have to modify your defensive system while fielding someone aggressive occupying the playmaker channel, instead of an individual being a little more passive.
You could also present compelling arguments favoring Ford beginning and Fin Smith entering from the bench.
Numerous considerations that go on privately, however the coaches decide to go, this will present New Zealand difficulties.
That has not always been the narrative against the All Blacks, where the focus concentrated solely on picking the right player.
On this occasion, whichever fly-half selected will pressure New Zealand under real pressure.
Fin's ability selecting optimal kicks and execute enabling possible 50-20 can take pressure away from England.
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