It's always lovely to see people who, I'm sure, are staunch defenders of "workers rights" turn around and say "yeah just fire anyone who isn't currently an asse

It's always lovely to see people who, I'm sure, are staunch defenders of "workers rights" turn around and say "yeah just fire anyone who isn't currently an asset to the company by whatever criterion". The difference between "can" and "should" is the entire moral universe.