I never put my seat back and consider it rude when other people do it. There was even one instance in which I made a stink I demanded the person in front of me put their seat back up (thankfully, they complied).
As others have pointed out, this is a situation created by the airlines and their shitty business models.













I work in mental health and I’ve definitely met patients who have low IQ scores. However, even without getting into clinically significant low IQ ranges, I can virtually guarantee you that you’ve met people who have sub-100 IQs. 100 is the average human IQ score. You haven’t gone through life this far without meeting people who fall a few points below it, just as you haven’t failed to meet people who score above it. A person with a 95 IQ is not going to be able to be distinguished from a person with a score of 105 by someone who doesn’t have substantial training in assessing IQ (and even then, most experts would have to formally test people to detect subtle differences like that).