Miami Heat have no match with LA, this is the reality.
We've seen what happen already, so we can make a conclusion.
Even before this series has started, Lakers are already 3-1 favorites against the Heat ,so you can tell which team will likely to win, AFAIK, only against the GSW where Lebron has struggle, this is a different team, hence their chances are huge and that's because of AD's addition to the team.
In fact, if the superteam of GSW before may have the chance to win the series than what Miami Heat has line up. We just be happy that atleast Heat gave their best in winning the game however, their strength and thirsty in championship is not enough to beat LA.
GSW vs Lakers line up now, I guess I'd still go with the GSW, at least the odds are quite closer compared to the past where GSW always are the heavy favorites giving Lebron a 3-1 disadvantage in the Finals.
If we compare the Lakers now to the Cleveland Cavaliers with Lebron, I think this squad is quite better, because of AD.