How does an instance of Lemmy, especially a larger one like lemmy.world pay for costs involved with running a Lemmy instance in a sustainable way?
Make it $.01 and you might actually have a good idea on your hands. Big enough to matter given the thousands of users, small enough for the average user not to care. The hard part is running a secure and private payment system on top of this.
What is currently stopping you from replacing them with something like Willow and a few ESP32-S3-BOX's?
Do you mean XFS, or ZFS?