oxy is a mastodon user who follows David so they’re most likely telling the AI startups in question to GTFO and lemmy has kindly reinterpreted that as a tag

however,

Why are people hating on / blocking dgerard?

let’s go down the list! depending on the subculture, you’re blocking dgerard because:

• you’re a Scientologist and interacting with dgerard will cost you your Operating Thetan rank
• you’re a Rationalist and have read the Lightcone Infrastructure memo about how dgerard is the devil, beating out all other contenders for most evil being on the earth
• you’re a cryptocurrency gambler and you think dgerard’s critiques lost you money
• you run an AI startup and you think dgerard’s critiques lost you money
• you’re on the far right and dgerard won’t let you edit misinformation straight into Wikipedia

there are more, we can go deeper