There is no solution to "I genuinely appreciate Cohost as a space that's friendly to drawn porn, but I personally would like less of it displayed on my feed/in my tag searches" that isn't "people tag their posts properly"
and the already obvious and unsolvable problem is that people actively won't
and also I have seen at least one person advocate that Tagging Is For Cops, the crunchy new faux-left remix of "content warnings are for snowflakes"
Like, sorry! it's already one perceptible endgame for this place that it peters out hip-deep in so many untagged sub-turn-of-the-century-DeviantArt scribbles of What If Scrotum Bigger Than Rest Of Person that it's not worth the effort to work at seeing anything else!
Some people will pay any lip service to the notion of a welcoming community space, right up to the point you ask them to stop acting like teenagers shrieking with laughter and throwing chairs at each other in the public library
Community requires people to enact interpersonal behavioural standards, and the "ugh nobody these days wants to put in the work of Community Building" crowd really don't seem to like it when you ask that of them