That's just because I like the sound of it better. Also, WTH always looks like I'm saying "with" and forgot to add the "i". Like this change? Don't like it? What do you prefer: WTH or WTF? Or do you even have a different idea? Let me know in the comments. And in the meantime, here's your weekly WTH/WTF.
I don't know what it is, but this picture always makes me crack up!