In San Francisco’s District 8, a public library has been shutting down Wi-Fi outside business hours for nearly a year. The measure, quietly implemented in mid-2022, was made at the request of neighbors and the office of city supervisor Rafael Mandelman. It’s an attempt to keep city dwellers who are currently unhoused away from the area by locking down access to one of the library’s most valuable public services. 

From A San Francisco library is turning off Wi-Fi at night to keep people without housing from using it - The Verge