That's absolutely true, but Sansa could have avoided the entire situation in the first place if she told Jon he probably had reinforcements on the way. Jon got predictably manipulated, but Sansa just straight out made a terrible decision.

That reminds me of one of my favorite GG exchanges:

The fact that his character is married to Alison Brie and banging Alexis Bledel while being a weaselly dick makes me angry beyond all reason.