They have then doubtlessly been told that they are unenforceable again Joe Employee who wants to work at Subway, but you seem to think that they still do it to trick people from leaving to work at subway. Why don't you think it's useful to discourage people potential competitors from infiltrating their company? I'd bet you it's way more likely to be enforceable in the latter case, against someone looking to copy your operations, if it's enforceable at all.