Well okay, that's true, but they would lose their jobs and not have billions of dollars to fall back on. So there is a strong personal element for them. In the classic pigs/chickens formulation, Elon is closer to the chicken side — he's got other companies to devote time to.
Being blamed has nothing to do with taking responsibility.
In this case, being blamed means that everyone will attribute the failure to him personally and say more nasty things about him and people will stop investing in his companies.
Sure. I guess just like Musk got blamed personally for his screw up with Twitter employees all over the world? He did a whole bunch of illegal stuff there, I'm still waiting to see consequences.
If they were actually illegal then we should see some settlements or court cases resolved over the next year or three. The justice system moves slowly.
He'll get fines ("settlements", I guess), and that will still have been cheaper than going the legal way. In the meantime many people lost their job in an irregular way (w.r.t. their country), and maybe they can't afford it.
That's how much responsibilities too rich people have: it's cheaper for them to go the illegal way and screw those who worked for them.