It's weird that 2 of the biggest superstars (McDavid and Mathews) are both cursed by teams insisting on icing crappy goalies and crappy D. It's weird to me.
If I was a GM and had those dynamic offensive duo's (McD/Drai and Math/Marner), I'd concentrate with laser-focus on a capable starting goalie and some capable, tough, defensive-minded d-men. And plenty of both have been available.
Heck, for example, Leafs would've been better off keeping Schenn, who actually played that role well for them and wanted to be in TO.
They're going to burn the prime years of their star players and have nothing to show for it in the end.