Curate, connect, and discover
It's kinda performative activism as well. They're able to sit back and call others freaks, weirdos and disgusting for enjoying incest in fiction and feel like they're contributing to positive change in the world.
I'll say it once more, you're absolutely allowed to not like blmatsu and be repulsed by it, you have every right to your preferences. But thought crimes are not a real thing. Writing and drawing spicy blmatsu work isn't equivalent to wanting to bang your irl relatives and officiating sibling weddings on the weekend. You're no better or worst of a person for not liking blmatsu. You're just a person with your own preferences, just like blmatsu shippers.
I find the difference in mentality between jap and eng fandom interesting. While americans forbid even the mention of blmatsu, the japanese freely joke about it. Both behaviors have some sort of cultural connotation. This is a good topic for me to ponder
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