Don’t have to label them as such. It’s premium access and storage, tech jargon can remain hidden. « I got my premium access at Nostr.wine and my storage from Nostr.build, they have a partnership bundle and I got 20% off for a full year! » What files, bitrates, and so on are accepted is down to the operator. I assume some files can be auto rejected if bitrate exceeds X, could even prompt the user to pay for conversion. Agreed on the catering to content creators aspect. Nostr is for now by tech for tech