My partner and I have started using the vague “Y’know, covid…” to dismiss anything without explaining it. It comes from when I was in the hospital and they wanted to stay on the couch in my room with me. They were told that they couldn’t, and when they asked why the nurse just said “y’know, covid…”. Now in real life, the best covid policy is to stay, not to go out into the world and come back. But after 3 years of all sorts of knock-on craziness due to the pandemic people who work in customer service seem to have realized that they can just say “you know, covid…” to almost anything and everyone else will just be like “Yeah…”