I’m not sure how it works in rust and the framework Lemmy uses, but in many other ones like Django on python you can store all user uploaded files directly on S3 or somewhere and it will also automatically rewrite all links to those images to be served directly from there.
So yes it can be done and is done all the time in most web apps. But I’m not sure how to do it for Lemmy.
I think over time some apps will add functions to allow you to visually merge them. But purely at a UI level. They will still be separate instances on the backend.
We have birds. Owning a parrot is like owning a blender without a lid.
Always thought it was “back pussy”. Completely gender neutral.