Not so much the retailers...
...more the clients. Turn off TLSv1.1 and you're going to start losing clients if you're an online store, and turning off 1.1 is what some ASVs are already telling clients they need to do before they will give them a pass. 1.1 didn't appear enabled by default in IE until v11 - that's a lot of customers to lose, not to mention all the problems with smartphones that have never been updated since they were bought.
Biting the hand that feeds IT
