Everything I've read or heard about this guy, he's not a bad character, seems the opposite in fact.
Context is everything on something like this, it appears like Ajax green lit a move, changed their mind at an advanced stage when United came in for Antony who went on strike to force a move - thus costing Kudus his own one, then they still hardly play him and on top bring in more players ahead of him for a starting spot.
I'd say he's a doormat and the wrong type of character if he bends over and takes that from the club.
He wants the move so he can play footy - don't think Lampards gonna see that in any way as a bad trait