Clearly, day-to-day life is organised such that people who believe absolute bullshit can cope with it. This might be because the human world is built on bullshit, such as the concepts of:

• humans being superior to other species ("so I'm a winner")
• constant economic growth being possible ("so we can keep winning")
• the world remaining roughly as it is in a way that suits humans ("so winning will go on forever")
• able-bodied people being more important than disabled people ("winners contrast with losers, and I'm not a loser")
• also, various forms of difference being disgusting (there's a lot on the theme of "winners contrast with losers, and I'm not a loser")
• the possibility of some kind of immutable 'strength' vs a lesser 'weakness', ignoring the fact that all living beings die, so neither strength or weakness make an objective long-term difference ("my winningness is part of my strength that will not leave me, losers are gross and should be dominated and treated like shit")

Society is literally purposefully organised to entrench privilege in a way that maximises the ability for some to oppress others. That's why you have people who say they 'care about children' while children on their street are abused, or go without food. Humans visibly put more effort (as a group, some individuals are different) into pretending and rationalising rather than actually improving things. They can even rationalise the killing of children in various, pathetic, ways.

All these, and more, are ideological positions that give false and meaning to human existence. If there were a button that slammed objective reality into everyones' brains, even if it would kill 90%+ of the population from the sheer terror of the realisation that humans are not important, I would not hesitate to press it.