[FFP999]

They call this "KMart Realism" sometimes, KMart being a chain of discount stores that was prominent way back when, comparable to Walmart. The idea is to enhance versimilitude by dropping in signifiers from contemporary consumer culture.

King, as you note, does this a lot and his name often comes up when people are talking about it: he was in fact one of the first well known authors to use this device regularly. I agree that he's definitely overdoing it these days.