As a not really techy person but one who has been cruising online for a long long time I feel Lemmy is a lot like old old Reddit. Reddit was full of techies when I joined. It grew over the years into a bigger thing but it started with a bunch of nerds talking about shit I didn’t understand.
Where we live it will help a lot. It’s an economically depressed area and has some of the highest poverty rates in the country. Yet the local university has brought so many international students that housing supply dried up prior to COVID. Housing prices have skyrocketed. Food banks are stretched beyond their capabilities. Employment opportunities are at an all time low with a minimum of quadruple the volume of applicants for the few mostly part time positions there are. The local cinema is being used as a classroom there are so many students and no place to instruct them at the university because it is well over capacity on teaching spaces as well as housing. Yet the university keeps increasing the volume of students every single year by the thousands.
This means the local population which already has difficulty for many reasons is seeing homelessness rise dramatically along with food insecurity, housing prices rising at extreme rates, joblessness at extreme levels even for a historically depressed area. Not to mention a huge increase in crime.
For smaller population centers and those with schools acting as diploma mills, which is happening in many areas here, it will slow down the decline somewhat. It’s not an end all situation. Much more still has to be done to even try right the ship.