You may be onto something, and there may also be some confirmation bias in your sample size XD
It is more comfortable, as we aren't annoyed by the stupidity of others who don't know how to interact with people, and have no situational awareness, by degrading our own skills similarly.
This bit made me giggle because so very true but for people who are always doing the right thing (because they're doing it therefore it has to be right, being wrong is something to be avoided at any and all cost with the most idiotic mental gymnastics) "it just makes sense" I guess.