This.

What eventually kills these platforms is “death by thousand cuts”. Enshitification, controversies, legal problems will alienate users bit by bit. Competing services will then make some people visit less and less until they stop coming at all.

These platforms are competing for peoples attention/time which is finite resource.

Would assume that in this case that the gpu was created and assempled using a open blueprint/schematic thats freely available for anyone to see use and modify. Fairly common thing when it comes to stuff like 3d printing where many people freely share their models for others to use.

While Meta might have ulterior motives for fediverse integration this might also be just one way to comply with Europes new DMA regulation.