:* Because the overall aim of the project is worth putting up with this for. 
 :* Because there is sometimes some personal learning involved in the topic research, which is itself a worthwhile goal. 
 :: Otherwise no reason. You can put up with the shit if you wish to, it's not usually too onerous. Even the idiocy isn't too painful - you're only required to make the show of being civil to the fools, not to respect them.

Toxicity label: insult