Say I hate every single person, sure maybe there's someone out there who thinks that's somehow admirable. I'm still likely to hate them, so they're not right for me. Not that I am that way, I don't really care; just an example.
There are people, who find other people just irritating and don't want a relationship or a 'someone', so there's no reason to believe there's someone for them. Even if a person finds that admirable? That person who finds that admirable, would likely feel the same way and they'd agree relationships are dumb.