Lemmy's source code should be hosted independent of proprietary services.

Forgefriends highlights how propriety services, like GitHub, can lock in a projects and destroy its momentum.

:::spoiler Lots of major free software projects are hosted by the project creators to avoid being screwed over by proprietary services.

Examples

If Microsoft were to release a competing link aggregator; then they could persuade GitHub (Microsoft's subsidiary) into locking or removing the main repository for Lemmy's source code.