The simple fact of the matter is young top draft choice forwards like Stutzle, B Tkachuk, Hughes etc. got chosen by teams who put them right onto PP1 unit and let them go make mistakes and begin building careers.
Who was blocking them on their respective teams? No one. The way Hughes played in his first season, he wouldnt have been on PP1 that year, and likely wouldnt have the following either if he had been on the Rangers. Who is he replacing? Mika? Kreider? Maybe Strome or Trocheck in the bumper? Players you went out and bought and have to justify their contracts. Thats the issue. This team never committed to a true rebuild and likely never will.
Of course Hughes wouldve started knocking on the door, loudly for PP1 time not long after that. But who knows with limited 3rd line time, how long that wouldve taken? Laf didn't bust down any doors, granted. Is that a result of his development/lack of ice time/PP1? He's come around and playing well now (helps to be playing in a top 6 role) but even if he continues at this pace is he supplanting anyone on PP1? Doubtful.
He will be limited to mainly 5on5 time and will need to produce there but even if he scores 50+ EVP and amongst some of the elite forwards of the league he wont be seen that way with the lack of a PP inflated total point stat line. Also - how many times a year is a player's drought snapped on a PP? Look at Mika the other night. Hes got the monkey off his back. Kakko could use a few of those because his droughts will begin to pile up.
I dont think we will ever really know if its the player or if its the situation. Personally i think its a little bit of both. 60/40, situation/player.
Hockey is different here.