I don't want to be a jerk, but maybe don't look at content from PAWb.social if you're going to be a dick to its members simply for existing in their space. If it's truly an issue, KBin allows you to block the group (but I don't think it easily allows blocking the whole instance).
The Fediverse is awesome since it allows us all to seamlessly communicate with each other, but keep in mind we are all individual groupings of communities and looking at where the content comes from needs to become second nature. If too many people from KBin are jerks to these folks, they'll just disconnect from us and call it a day since all the good conversations in the world don't really matter if they're being treated like dirt.
With that said, even if they were talking in a KBin instance though ... seriously, it would have cost you nothing to ignore and move on (or block and move on if it really rustled your jimmies). Hell, even downvote and move on! This isn't a matter of someone being a shit-stain on humanity, it was just them using the word 'paws' to refer to a few appendages, what's the big deal? They're not asking you to do the same.