But lots of threads are created because the requester didn't spend so much time reading datasheets or googling for information. So when they do ask for help on a forum, they continue to stay in output-only mode. Telling what problems they have, instead of listening to answers they receive.

A huge amount of products in this world are created with processors only having a baudrate generator and a timer or two timers where one of the timers doubles as baudrate generator. But people tend to look for problems instead of looking for solutions, assuming that their problem is a really unique special case instead of taking two steps back and looking at the overall problem.