@hikari that's because "#ChemSex" is not just about classic #drugs, but also #ReserchChemicals like #MDPV aka. "Perv Powder"…
https://en.wikipedia.org/wiki/Methylenedioxypyrovalerone

I mean, #McAfee was a known afficionado of it, and it made him extremely horny.

But yeah, it should be called #DrugSex…