the black and white mindset... you're either with the hivemind or against. no room for nuanced opinions. someone posts a stupid strawman argument pro abortion/anti billionaire/etc.. you can't point out the flaw in the logic without being called a sexist racist Nazi.
example: some post about how billionaires should pay 35% tax on their net worth, you point out that people are taxed on their income, not possessions, you're a bootlicker
Step 1: Threads starts federating with mastodon
Step 2: mastodon users happily engage with threads, letting it become the biggest fediverse instance
Step 3: threads stops federating with mastodon
Step 4: mastodon users switch over to threads where all conversation is happening, leaving the fediverse deserted