I think the argument, however tenuous, is that naming a utility after a drug generates a positive association for that drug. It’s not even so much that Apple has to believe this as much as there’s an elevated potential for negative PR. This sort of thing is given even more scrutiny with food items:

https://en.m.wikipedia.org/wiki/Cocaine_(drink)

https://m.riverfronttimes.com/foodblog/2010/01/20/the-beerte...