"if he kept up his high level of play" - then yes, obviously. This goes for a lot of players.
The problem with Monfils is that he doesn't keep it up...can't see him going past QF at this point really, but we'll see how he does this year. He made some strides towards the end of last year, I thought.
Monfils probably became more aggressive but just against counter punchers, moonballers, etc... against aggressive players he is still a way to passive and plays like before against this sort of players . really doubt the he will get 6 nadals on the road to the final