to me it is a great message that if you have attitude that your predecessors were stupid morons and you don't understand what happens here nor willing to bother

to me it is a great message that if you have attitude that your predecessors were stupid morons and you don't understand what happens here nor willing to bother to dig enough deep to understand it, you shouldn't be doing changes here. Attempt to correct it is a kind of warning signal for a PR containing the correction.