[stale2002]

The point here, is what the advertisers want to spend their money on.

Use whatever euphemism or descriptive word you want. The point here, is that advertisers do not want to be associated with whatever it is you want you call it.

[rvnx]

Yes, and for this, the content need to be triaged. Here the content is rated as containing depiction/drawings of nudity, and this is just a fact, advertisers are then free to buy or not.