AOL isn't the only dialup operator still going, and setting up a dialup service for areas that genuinely need it is something that local entrepreneurs ought to be able to provide.That is an very large number of people to leave out there hanging!
The current fun here in the UK is that the whole freaking PTSN is due to be shut down in favour of broadband and voice-over-IP (or people just not bothering with landlines). So there won't be anywhere to plug that modem!
Supposed to be mostly complete in 2027, although I suspect "mostly" is doing a lot of work in that sentence...