Q is real because there were real posts, unless many are imagining the same scenario/reality.
The question becomes, what was Q's goal?
If the goal was a "LARP" to mess with people, the result remains that it built a reasonably large, confident community to support (and vote for) Trump.
If the goal was other, "the plan," distraction, manipulation, or any number of other options, that remains to be seen.
The process of Q has created positives and negatives.
Individuals will choose how they respond.