>>716300286The rules are being rolled out in true Valve fashion: nonsensibly and unevenly. Some of the games culled were things like standard-fare tentacle games with very clear adult protagonists and no extreme content. Multiple games were culled that did not appear egregious at all. The implication is that they are going after the low sellers first, pocketing the money from panic sales of the more popular games, and then culling them with their then long-since accepted policy.
As for your second question, you are looking at it from the wrong angle. You are taking their statement at face value. Consider that if it doesn't make sense, that their statement is false, and there are other motives for why people like you or me are being targeted.