This seems like an oversimplification. OpenAI was on top at the time sama was fired as well. Furthermore, the reason Anthropic was formed is because a bunch o

This seems like an oversimplification. OpenAI was on top at the time sama was fired as well. Furthermore, the reason Anthropic was formed is because a bunch of employees at OpenAI didn't trust sama. And many signatories of this letter are from Anthropic. So those signatories, at least, appear to be taking a consistent position. The fact that employees across diverse AI firms signed this letter suggests that it's not an effort to achieve tactical advantage by any single AI firm.