Ah, but that's the beauty of it. Why are they here? If it's to troll, don't give them what they want. If it's for social interaction... Why are they venturing out of their echo chamber?

Every interaction with a community pulls you slightly closer to the group consensus. You can fight it to some extent, but we're wired to fit in with the tribe

Social rejection is wired similar to pain in our brains - it's far more salient, far more memorable and impactful, than normal interactions.

The highest form of this is rejection by the community - it hurts most when everyone's attention is on you and they all reject you. Even a single person quietly reaching out afterwards is like a lifeline - it stands out to you. It takes hundreds or thousands of "normal" interactions to counteract one extreme negative one

A supportive community back home doesn't counteract the impacts from an away game. Don't go to their turf, let them come to ours. Do not feed them - we have better content, they'll lose members to us, and if we do it right they'll shrink until their echo chambers can no longer sustain themselves