Original sentence: Some people may not be inclined to read documentation prior to asking questions, and "RTFM" can be a way of informing these people that this inclination is causing them to waste other people's time.While it may be said that instead of responding to a common question with the response "RTFM", time could be better spent adding the question and the response to a FAQ, the same person asking the initial question may not have bothered to read the FAQ, either
Edited sentence: "RTFM" is simply a common, easy, and rude way of telling the quesioner that they're wasting the questionee's time.Clearly, it is in some peoples' nature to not read documentation prior to asking questions.While it may be said that instead of responding to a common question with the response "RTFM", time could be better spent adding the question and the response to a FAQ, the same person asking the initial question would most likely have not bothered to read the FAQ, either, which would result in a response "RTFF"