This world is a violent place where the strong bully and prey upon the weak , physically and economically.
No wonder then that these great thinkers were vilified by many just for observing and then speaking the bitter truth about biological life and human society. All life is competition for grades, jobs, housing, mate, wealth and status. You suffer to win the competition and stay competitive. You suffer for losing the competition.
It’s relentless.
Indeed “Better to have never been born ”.
Sisyphus Shrugged 