I'm sick of nsfwlemmy.com content popping up in my feed
For the most part it's borderline child porn or stable diffusion spam. There should be an option to opt out of content from specific instances on account level.
kbin has different problems. There is a "random" magazine that is just a collection of random posts, and it is featured on the sidebar with no option to turn it off. It sometimes randomly features porn.
The current kbin domain block doesn't really work well as an instance block. What it does is block any post linking to that specific domain. It will block a nsfwlemmy user posting images to their own instance, but it won't block lemmy.world or lemmy.ml user posts there as they link to their own respective domains instead. It also won't block any post from that instance linking to a 3rd party domain either.
Don't get me wrong, I want to like kbin, but I get an error on login every single time and have to clear my browser history so I don't really bother with it.