Disclaimer: I wrote this article and made this website.
There was some talk of this issue in the recent fediverse inefficiencies thread. I’m hopeful that in the future we’ll have a decentralized solution for file hosting but for now I deeply believe that users should pay for their own file hosting.
Ipfs would be similar but more purpose based
Never heard of that for, it looks exactly built for this problem, better than torrent. Good call.