Laine seem to be a very emotionally affected character. When things are good, they are REAL good and he seems to be on top of the world and the low times seem even lower as they actually were compared to the high times he's experiencing. His up and down movements mentally show a pattern by now of someone that has, no surprise here as that is why he entered the NHLPA program, regular struggles with his well-being.
From an objective thinking POV, it was way too early and overall completely unnecessary to say these things about CBJ while not even having played half a season with Montreal. It was purely emotionally driven on a huge high after his last games and goals. But next thing you know, something goes wrong, that high is interrupted out of nowhere and depending on how "bad" this interruption is, it could destroy everything good there was before. I personally really, really hope for him he has his own sports psychologist he gets to see whenever he wants by now.
You can see the pattern of behavior of a depressed person from a mile away. That is the reason why his career seems like the most craziest rollercoaster ride. You get half a season of him being one of the best goalscorers in the league and then you get half a season of him struggling to be part of something positive even, let alone being an elite goalscorer.
If things are good, they are REAL good. If things are bad, they can get REAL bad.