No. The problem in using self report surveys is simply that people will answer in such a way that it makes them look good. They have good reasons to want to believe that theyre moderate to liberal.
Having read the comments of KIA and other sources linked to it, i have a hard time believing them when they say they believe in equality. For example, in the case of women, in almost every thread where a woman is mentioned, theyre sluts, trying to ruin their fun by putting clothing on women. Theyre never REAL gamers, or arent as good at games, sports, or computers as men are. And the sub itself fairly regularly posts things from red pill sources right wing sources. When Breitbart is a regular news source, youre not a liberal. When Return of Kings is, youre a sexist.