Courtney Love is ridiculously smart. She definitely has done a shit ton of drugs, though - and this fact alone rips apart a bit of her argument. But the ridiculous smart part then reconstructs it - leaving us at some stanza where we need a substantiated second opinion for this to really have any credence.
I'm trying to find some citation but I really can't - all I know is that I've heard her speak before and been impressed by her immense vocabulary. Similarly, this speech reinforces that former impression.
Looking at her Twitter stream, though, reinforces the drug use - and also, her very unique personality: