>>531339061
>>531339442
>>531340289
This is usually a by-product of laws that use language/phrases like "appears to be" anywhere in their text. These kinds of laws get filtered through lawyers to become site ToS, which then becomes community rules, which become moderation standards (to the extent that moderation standards exist on a given platform). Chest size is the closest thing there is to an objective metric for dealing with "appears to be", even if it's a highly imperfect way of doing so.
>tl;dr obscenity laws shouldn't exist