There have been issues with it, with don't somewhat popular instances becoming ghost towns because of admin actions. Part of the problem is that Lemmy out of the box doesn't really allow for anything other than one benevolent dictator.
anyway we lack development resources to implement everything
This is open source. There should be a published plan on development and a call for help to the community. If development can't transfer to a model where multiple groups develop different parts of the development plan, Lemmy isn't going to be able to grow.