I guess I don’t go to fast food often enough to notice. I don’t eat out very often (like once/month?), and when I do, it’s at a better chain (e.g. Five Guys) or a non-chain restaurant (I prefer the local places).
Yeah you hear some horror stories of different locations sometimes. Like floors being so filthy a maintenance worker had to scrape a spot for him to kneel down and the manager got upset, claiming he now had to clean the floors because of it. Places are run with a skeleton crew sometimes and cleaning is the first thing that gets skipped over.