He just won rookie of the year with one of the best D+1 scoring seasons in recent memory. His struggles right now aren't 3 points in 15 games. He's a proven top 6 scorer in the NHL and is only 19 years old. Hard to believe he won't be scoring 100+ points and 40+ goals during his prime, if not sooner.
He trending for another 60 pts season just like last year, so purely from an analytic perspective, he pretty stable. I don't think he currently slumping hard, that just a reflexion of what he is as a player with some room to grow
The gap between 60pts and 100 is huge. 80 players did 60+ last year and only 9 made it to 100.
Now I am not debating if he can, maybe, but the current indicators are not also like its a given.
Same things for goals. Not everyone with talent get a 40 goal season, Only 15 players did that last year.
I don't see a trend where people generally underrate him, if anything I see a lot of people hyping the unrealized potential he as, extrapolating on how good at a point in the future he would be.