IMO the real point here is that many content creators/streamers want to have their cake and eat it too. On the one hand they want to be classified as family-friendly so they can target their content to children, which is the audience with the highest advertising margins and merchandising opportunities. On the other hand they want to push a sexual image to gain increased views.

Most would agree that pushing sexualized content onto 13 year old deliberately is unethical.

You see the same tug of war battle happening on Twitch.tv with the constant rise of some exotic-like content (hot tub streaming, boob "ASMR", etc.) followed eventually by some token bans so that Amazon can make it look like they aren't willingly promoting that content.