I didn't say he does this to protect employees, I think he's doing this to protect hate speech on Twitter. Someone says something discriminating or other some other right wing bullshit on Twitter? Can't fire them because that might get really expensive.
Elon wants to protect his far right echo chamber; free speech and all that.
You're missing that the climate crisis is not a problem that can be solved by consumers, that's what BP wants to make you believe by introducing the carbon footprint. Those companies are actively working to hold on to the status quo because they have lots of money flowing their way until things change.
The message behind this is not to stop buying from those companies, it's that they are knowingly destroying our future and that we have a right to defend ourselves and this future.