This title is a shortened version of the summary on TechMeme that reads:
"Sources: some AI researchers rejected Meta's offers to stay at jobs that align with their values; far fewer defected from Anthropic and DeepMind than OpenAI"
replies(1):
"Sources: some AI researchers rejected Meta's offers to stay at jobs that align with their values; far fewer defected from Anthropic and DeepMind than OpenAI"
A different way of saying this might be: "Some people care more about principles and personal values than money"