1. That's not even true. Chicago won a playoff series with Kane and Toews at 10.5m last year.
2. This is meaningless anyway, as the cap has only recently risen to levels where 10m+ contracts exist, and then the cap stagnated due to the pandemic. There aren't many 10m+ players in the league, much less on teams in a competitive phase.
3. I like how this has morphed into "skaters", since a team just went to the cup finals with one of the worst 10m+ contracts in the league.
Those teams struggle to make the playoffs now, more than half a decade later, for reasons entirely unrelated to their star player contracts.
This is also not true.
Kadri put up 30 goal seasons largely because he was on the #1 PP with Marner, and much of his ES scoring in 2017-2018 came with Marner as well. In fact, of all of the forwards in 2017-2018 that Kadri played more than 40 minutes with, Kadri produced worst with Komarov on his line. Komarov was a healthy scratch by the time he left. We're now 3 years past that and he's 34 and even worse.