It is clear that Mbappe will join Real Madrid next season because Bellingham for one isn't a solid striker and we could see that from his positioning and style of attack in the final against Borrussia Dortmund, last night.
It was just a good thing that Vini Jnr was in form and was fit enough to feature and even score the deciding goal in the final of the UCL. One could see him calling for the signing of Mbappe and I know clearly that there will be more trophies to win should Mbappe get to join them because this season was already phenomenal with them winning not just the UCL but the la Liga as well and the point difference tells a lot and shows the charisma and team spirit that exist within the team.
You missed something, Bellingham didn't score a goal but he scored an assist for Vinicius, so statistically Bellingham contribution is very clear. I think this score proves that in the match against Dortmund without this assist, Vinicius would not have scored a goal. Regarding the arrival of Mbappe, this will create more balance. Just imagine that Vini, Bellingham and Rodrygo can win trophies, especially with Mbappe, it makes sense that Real Madrid has a bigger chance next season.