Lemm.ee, another instance I am in, isn’t hosting images anymore or letting people upload images directly due to this issue. When your platform is supposed to be 100% open source and decentralized, there are bound to be issues like this, and they should be dealt with, even if proprietary tech is necessary for it. I’m sorry to hear about this.
Most who use Arch prefer to use a customized tiling window manager instead of a desktop environment. I tried using i3, and I do understand tiling WMs, but they’re not really for me and I won’t be able to do a crazy design out of them.