No no no - the lesson is they should BE the boot heel

Read Alyssa Rosenberg's review at the Washington Post. Includes this gem at the beginning:

Yeah - I did not like all those scenes when they were occurring in past seasons, but they really help bolster that plot point here; without them, I think I would be rolling my eyes at why they're so resistant to allying with the Wildlings.

I think Tormund killing a guy for accusing him of sucking Jon's D.

Hulk tore his biceps when he lifted Andre. And I don't have to mention Hulk was (i) very experienced, and (ii) very strong, and he still tore his biceps.