It happens a lot everywhere because people here are generally not really interested in discussion and instead just leaving their opinion on the matter and moving on another topic. Rinse and repeat until weekly quota has been met.


OP doesn't need psychic abilities to figure that out, at least not for the most obvious cases. For example, every time you see someone asking something that has been already answered in previous posts, you can be pretty sure that he only read OP and pretty much nothing else.