I can’t find the exact post now, but a freeper provided a great link a few weeks ago describing how Q could actually be the INT-Q-TEL (CIA) system, which is designed to track/model computer users and how quickly they can respond/decipher snipers of information. This isn’t the same link or as good, but gives you an idea:
https://theintercept.com/2016/04/14/in-undisclosed-cia-investments-social-media-mining-looms-large/
More likely it’s some kid laughing his ass off at anyone who believes his posts.