He failed the abramelon ritual or whatever its called, because he didnt want to finish it, then started his own makeshift cult which accomplished nothing and ended with all its members leaving with hardcore mental disorders.
i guess his saying "do what thou wilt" must sound pretty cool to whoever thinks this guy accomplished anything of value.
Aleister Crowley appealed to the low tier orgasmic banality. Basically, like modern pornography people just want to hump. And Crowley humped men, women, kids, and animals.