I don't see the need for drugs in music full stop. You can have good music without drugs.

they didn't wear stuffed animal costumes onstage. and their clothes were no more weird than the doors or anyone else. maybe the doors tried to look like giant stoners by jim pulling out his penis or calling himself the lizard king and reading bad poetry onstage

Keith Richards says Lennon did a lot of drugs, but he couldn't handle them. In his book, Keith describes John doing drugs with him at Redlands and ending up spending the evening with his head in the toilet bowl.