Yes, that's what I mean. He's playing this way because he has to in order to make it work.Maybe he only plays that system, because we have no recognised striker worth the name available to play.
If Calvert Lewin becomes an option, then I suspect we would change to make use of his attributes, while still having the option to revert to a formation and style that the players know and can grind out a result with if he gets injured again or if a game demands it.