Team Hulk folks will note that the psychotic creature has no morality when he’s highly-enraged, which would hold Thor back in a proper normal dual; and that Hulk only gets more powerful the angrier and further into battle he gets.
Important as Stan Lee’s opinion is — as he did co-create both Hulk and Thor with Jack Kirby — the truth is that the debate of Hulk vs. Thor has no real answer.
While Lee makes a strong point, there are plenty of arguments in the other direction as well.
There are so many elements in play that the typical back and forth about it is a rabbit hole conversation that ends up going nowhere.