It used to be possible to not have high-speed internet, and now high-speed Internet is available everywhere in the world that has an amenable government.
Right now, it's possible to be in a location where it's impossible to call for help. In a few years, when LTE-in-space is available and the 911 mandate applies to it, anyone with a charged phone will be able to get contact.
SpaceX has been working to mitigate how its satellites affect astronomy - see https://api.starlink.com/public-files/BrightnessMitigationBe... and https://new.nsf.gov/news/statement-nsf-astronomy-coordinatio... .
But fundamentally, to limit space to astronomy will be to limit the benefits it can give all mankind. a