Agreed. I think defense is part of it, and I get the whole coaches can teach defense approach. All of this is accurate.
But when I look at Toronto, one thing becomes immediately apparent --- I don't see a well-constructed team.
And at the end of the day, you need to have a team that strives for some degree of balance, with different players filling different roles, understanding those roles, and going out and executing a game plan.
Toronto, in many ways, suffers from the same problem Tampa has faced --- they produce wonderful stats, everyone gushes over what the elite skill "can do" to create highlight reel material, but once you figure them out, and really push them, they don't have that extra something.
