The only noise really is due to the damn spinlock bars and the plate to plate contact. Then as I say when I re-rack or floor a bar but I never drop them. It's always controlled.With that info I think she's being overly unfair unless you're making ridiculous amounts of noise.
I think it's possibly a combo of frayed tempers at her end due to her daughter not getting much sleep with the heat, windows open, garage door open and the usual noise levels.