> (reduction to the absurd) a disproof by showing that the consequences of the proposition are absurd; or a proof of a proposition by showing that its negation leads to a contradiction

Banning pens and paper isn't a consequence of forcing Facebook to not allow drug dealing.

Or in the contradiction sense, forcing Facebook to not allow drug dealing does not lead to an absurdity of everyone being forced to ban pens and paper.

This isn't reductio ad absurdum.