[Candidate B]... is very loyal. Apologies for going on a tangential rant, but why is it that employees are expected to be loyal to companies, but companies can

[Candidate B]... is very loyal. Apologies for going on a tangential rant, but why is it that employees are expected to be loyal to companies, but companies can lay off employees on less than a day’s notice? This is something that angers me. I told my current company that my loyalties to the company will be symmetric to their loyalties to me. Surprisingly, I still got hired.