What if, and bear with me, strong AI poses real dangers and open sourcing extremely powerful models to everyone (including malicious actors and dictatorial governments) would actually harm humanity more than it benefits it?
Facebook is the creator and maintainer of the most popular web framework in the world (React). This certainly doesn't mean they should do cloud computing, but let's not downplay their favor amongst developers.
Is the cost really that high? For the vast majority of projects, all developers will need to do is run "yarn prettier".
We can't expect everything to be perfect on day one, nor should we be stuck with the poor choices we made when starting a project. Maintainers should be allowed to change their mind after careful consideration and community consensus.
The goal of a side project can be whatever a person wants it to be. Make money. Learn something. Improve people's lives. Creative outlet. Your definition limits people's ambitions.