It is probably too early to tell if this is PC. If, on the other hand, Walmart corporate headquarters bans the Salvation Army (like Target did last year), or if they increasingly have shelves with lots of cheery "Holiday Trees" or the like, as Target and Costco do, that PC is running amok at Bentonville.
It's not too early to tell if this is PC at all. The word "Christmas" is all over the place. I'm sure where the manufacturers are the same the items will be the same, if Target has a "Holiday Tree" and WalMart is buying from the same company they'll have a "Holiday Tree" too, though everything on their website (a smaller selection that the Target site) is a "Christmas Tree".