I got chided at Costco for bringing in my five year old without a mask (she’d broken the straps on the ride there), even though the state mandate here is for ag

I got chided at Costco for bringing in my five year old without a mask (she’d broken the straps on the ride there), even though the state mandate here is for ages above five. Costco employee said nope, in here anyone two and over needs a mask. So I had to impromptu tie up an adult mask’s ear straps to accommodate her, and go in with a lot of crying on her part because my first try was too tight.