Remember that anthropic are renting this data center, and should be seen as just as responsible as Musk.
https://www.theverge.com/science/935229/spacex-anthropic-ipo-ai-capacity-deal-colossus
Also Musk is such a loser, he built and ran this giant polluting data center without knowing what to do with it, and ended up renting it out at what looks like a loss.