It is true that since the arrival of Martin St-Louis, Drouin has not really had the chance to showcase himself and it would take a little more than a few games before he is properly evaluated for the future.
On the other hand, since his arrival with the Habs in the 2017-2018 season, he has never been the star player he was expected to be and maybe a change of scenery could do him some good for the rest of his career.