Generally, if you email your boss and just say I'm not coming in for two weeks without discussing it with anyone before hand, you are probably going to get fired. But if what this person says is true, and they are working in cramped conditions with people who are testing positive for Covid, then something is definitely out of whack with Samsung and needs to be dealt with.
Many employment agreements have a clause that says that if you fail to report to work for X days without an approved leave you're considered to have voluntarily resigned. Based on the language, I assume that's what happened here.
