Libraries offer far more than just books. They often double as community centers and offer lots of free services that could really help lower income demographics. They actually also offer audiobooks a lot of the time.
Besides all that, of all government services that are available, they’re cheap as fuck to operate comparatively speaking. The only reason to target libraries is because it gets the mouth breathers thumping. Nobody burning books (metaphorically and literally) has ever been on the right side of history.
Sam Altman was actually president of Y combinator from 2014 - 2019. An interesting connection when you realise HN has been actively removing news critical of the Gen AI bubble hype.