Saying I have no argument is also false. I've repeated twice something that proves you its debatable. 00-01 Lemieux vs 21-22 Ovy, yet you keep ignoring it. That sample offers very similar league-wide factors, and Lemieux beats Ovy in GPG in that instance.
It's a milestone thread. We're talking about careers here. Mario's was cut short, unfortunately. Hull didn't have the staying power Ovechkin has. Gretzky's goal-scoring ability waned long before he stopped playing. Ovechkin is the greatest goal-scorer of his era, hands down, AND has somehow managed to maintain that ability and pace over a CRAZY long time. That's what'll make him the best ever when it's all said and done.
Mario's GPG is also crazy impressive, and no one who saw him play will ever forget how masterful he was. But the smoking and the conditioning and the cancer and the back injuries shortened his career. He didn't have that falloff that most guys have as their careers ebb. When his ailments caught up with him, he had to sit. When he played, he was Super Mario. If none of that stuff ever happened to him and if he wanted to play until he couldn't, he would have had that falloff and that GPG number would have dwindled. Probably still would have been a best-ever number, but it would have been considerably smaller.
That he had a peak season where this number was higher than Ovi's number or was better specifically at age X...? *shrug* What difference does that make? He balled out and had a freakish goal-scoring year. Good for him. Still wasn't the best year ever, and Ovi was never going to have a chance to break that one. No one's scoring that much these days. It'll never happen again unless the game drastically changes.
Comparing seasons across two eras when the game was different serves no purpose because it begs the question, "How would each guy have scored if they swapped eras?" Mario in 21-22, with guys as fast/strong/fit as they are now, the speed of the game even faster, and an era way more intensely focused on rush goals and breakaways because of the 2-line pass rule? Impossible to say how he would have held up.
But Ovi 20 years ago playing in a slower era, still with modern-ish sticks. It's not like he's a guy that scores on the rush a ton, so yeah, I think he coulda done what Mario did. And could he have scored 92 when Wayne did? Pffft. Ovi playing in that era would have looked like a Godzilla movie, only the big lizard woulda had a Russian accent and a front tooth missing...