Firefox is a Keylogger <- WTF!!

Recently, I found someone posted the following comment:firefox is a keylogger.... if ur not an online gamer.. or nothing to worry to be hacked items from your game accounts then go on...I've read many obnoxious and misleading comments. Most of the time I simply ignore them or the worst I deleted them. This comment, however, deserves my first WTF ever on this site. Does he/she even know that