"It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring."
~ Carl Sagan
How true.
However human beings have evolved to perceive things that simply are not true, but because it is part of their evolution it works to their advantage. Take time. Humans percieve time naturally as being at the same rate throughout the universe, that common sense instinct in humans make their lives better because the inconsistencies with time are not relevant to us living here on earth in our 80something years. believing time is consistent and watches always match, and that GPS doesn't need to reset itself every so often so as to match the rate of time on earth, you get more done and more thngs fall into line with your life.
However understanding the truth about the way time works functions against mans instincts and serves no benefit and possible detrement if they don't buy into the idea of time moving at a consistent universal pace. Yes it is a small example and odd, but relevant.
Look at religion, wheras religion does a lot of evil to the world, moreso than good, on an individual basis someone believing in God may benefit their life and allow them to mentally handle problems in their life by thinking the next life will be better, or that there is some sorta plan going on. That core belief may make the suffering they pointlessly go through bearable if they can't get out of it.
So is it better for those people to know the truth and live horrible unhappy lives, or is it better for them to spend their 80something years happy tho deluded?