I'm not talking about someone calling me about a former employee (I've never had someone quit with 0 notice to me directly before); I'm talking about the case w

I'm not talking about someone calling me about a former employee (I've never had someone quit with 0 notice to me directly before); I'm talking about the case where I've worked with someone at the same company before and they left with no notice. If they want to try to sue over that, then they're welcome to go for it.