Ovi and Crosby, this isn't even close.
Lemieux has basically the same ppg, the same best season and yet Gretzky is the only talent like that in the world? Lemieux disproves this. If Gretzky on his own was that good, he would've won with LA, he didn't.
He played with five OTHER hall of famers, Crosby had Malkin who is a lock and maybe one of MAF/Letang. Chicago had 2, maybe 3 hall of famers when they won 3 cups. Gretzky's "lone dominance" is overstated, he could not on his own will a team to a cup.