Pie Crust not posting in here is one of the things that actually contributes to the theory that says "he's a girl"
Think about it. Here's an example. If a group of people on here started to think I was a girl then I'd be all up in the thread posting about how I'm not, because it wouldn't be true and only makes me even more confident about that.
In other words, if Pie Crust really is a girl then she'd be not only laughing at every single post everyone makes with silly theories, she'd be posting in the thread with a bunch of confidence in being right. However, this isn't what is happening. With the chat pics people have posted here with pie crust, it only implies that Pie Crust feels down and wants to lay low and stay away from the thread, and mentioning that she won't have anything to do with the thread only emphasizes that