Right now, where in less “progressive” areas EV changing options are limited, there’s an app for finding nearest charging options -also very useful on cross-country trips. (Of course, most EV vehicle owners, like me, charge at home - starting each day with a “full tank” is a different driving mindset.) I’ve no doubt when fueling for ICE vehicles is hard to find, the internet and options like the above-mentioned refueling apps will be available to fill in the gap.
But yes, it will be a progressive spiral. We’ll go from 3 stations on every block to seeing one every mile or so. Then - every 10 miles. Drivers will have to be more cautious, plan ahead, etc. But I expect as the intense competition fades, the profit margin will go up.
Gas stations used to include service bays. However, modern cars are complex sensitive computerized devices. Much service work needs to be done by a specifically trained mechanic; the days of a generic mechanic tuning your engine timing or fixing the carburetor are long gone. More and more items involve electronics and need the specific training. Meanwhile, common tasks like oil changes or tires are being done by specialized shops. As these vehicles become less common, so will the trained mechanics and available shops. (For example, if you live in rural Iowa, who fixes your Roll Royce or Alfa Romeo nowadays? And what’s the cost premium to do so? Maybe that’s the future of ICE repairs… it won’t be the poor people stuck with them, it will be the rich indulging themselves, enjoying that annoying engine noise they make.)
Worse yet, EV’s have far fewer maintenance issues. There’s no coolant, regular oil changes, oil and fuel filters, spark plugs, emissions testing, mufflers, valve repairs etc. A vehicle that does not have a giant lump of metal that heats to hundreds of degrees and cools down over and over again is less stressed, so less maintenance issues. Auto-pilot safety features will limit the number of collision repairs needed; which may even impact the insurance business heavily. My Tesla does not even have recommended regular maintenance work required. Car dealers that depend on repair work for a lot of their income will also suffer.
One thing not mentioned is the work required to add home charging infrastructure to places other than generic suburban single-family homes. Apartments, townhouses, urban housing (those classic NYC brownstones with street parking). I’m imagining adding 240V high amp service to these will be expensive and tricky. OTOH. if every hotel, restaurant or shopping mall wants to they can add reams of chargers - after all, it requires a lot less human supervision, and has fewer safety issues than a gas pump.