I had a thought on FOIAing local gov data center stuff. If you identified what you wanted to FOIA and attached it to a project site/FIPS code, you could build a website where people could search their county or use a map to see whether info on their local data centers was stuck behind a FOIA request, and donate to fund the request. On donation, the FOIA could automatically be sent via the MuckRock API, and then they could be notified once the docs were online. The only complicated part seems like identifying what needs to be requested. And setting up a nonprofit would be a pain, so it'd be helpful to find one that wanted to pick up the project and maintain the infra.
I bet it'd take off in the anti-data center groups...