If no person does anything nothing changes.
Of course your own choices in isolation don’t change much. But that’s like saying voting doesn’t do anything because a single vote doesn’t matter. We all can make choices that add up through all of society.
If you just want to use it from your home computer / network you can run it locally, either installing it directly or in a container. You only need a server (or a way to connect to your home network) if you want to access it from elsewhere.