Well first off I'm not sure it's 5/32", it's just plenty of tread, wear bars well below the surface of the tire.
I bought inexpensive, no-name tires. 225/60/17 for $480 installed. Only 40,000 mile warranty. Car has 121,000 miles on it.
I don't want to use them in the Winter because my method is to get more years out of my all-seasons by not using them in the Winter. I estimate in 3-4 years at most I'll be selling the car. Those tires will last 3 seasons of summer use.
So the Xice2's will go back on in the Winter and be replaced when they need to be.
Just getting a few months, maybe a whole season more out of them delays the $600 or so expense - that a new set will be.