Hey, if you don’t care, you don’t care. Some people think that increases value, so I always include that information when I sell gear. And I always get great reviews, because I give a damn about whether or not people like what they buy and the service they receive.
Stop your judging and enjoy the hobby, that’s my advice.
And, oh, by the way, sometimes kid-free means the kids have grown up and moved out, as opposed to never having had any. If you judge people by the way they take care of their gear or the descriptions they put in ads, I wonder how many real friends you have.
The thing about cats and allergens is absolutely true. Bought a pair of speakers from a guy with cats once and they (the speakers) were a constant reminder that I’m allergic for at least a month. I eventually sold them, but only when I’d replaced them with something a little better.