The devs do not suppress or remove anything. They just will not accept PRs for things that they don't want to change as most free software projects do, e.g. swa

The devs do not suppress or remove anything. They just will not accept PRs for things that they don't want to change as most free software projects do, e.g. sway won't accept PRs for nvidia-eglstreams. There are forks and instances that omit or adapt the slur filter. Maybe they will become the canonical lemmy fork in the future, maybe they won't, that's up to the contributors.