There's probably whole discussion to have about Morel in the offseason (is there a more beloved 0.9 fWAR in 412 PAs player in baseball? do people realize that 'Morel but also mediocre at third' is basically just Wisdom? they have essentially an identical slash line in their careers), but since this is still kinda an Ian Happ thread....
Happ is fine in left. People who watch a specific team for an entire season (and only that team) are going to be able to point to certain plays that confirm what they want to believe one way or the other. He's played the third most LF innings in baseball and he is 5th out of 11 in FG defensive ratings. It's more than enough for a comfortably above average hitter. He's third in fWAR for LFers, which I'm aware is painting him in a good light because he's out there all day, every day, but if you just look at team production in left the Cubs (ie: Ian Happ) are 8th in total fWAR. No issues from me.