Might be a negligible amount of bandwidth for a single person, but imagine a lot of people "looking" for stuff. Click after click after click. If you find the stuff you want first then you don't need to click more. I would imagine reducing bandwidth usage is a good thing for overloaded servers that would cause the site to load slowly.
I think overall in all the threads, the sub post comments being on is a bad idea. Makes it look ugly.
Fansly shares the OnlyFans category since many models have both. The OF prefix can also be dropped out if applicable, like this for example:
There are already tags for nude etc.