The next gen single aisle could well come with airstairs or a floor low enough such that you only need a step. Still, there are further problems from then on - no ones getting off if there isn't a bus or ground staff to control passengers.
Precisely.
Things that were possible in days of yore, no longer are! To rail against that is simply life shortening!
It’s where price comparison sites and the pursuit of ‘cheapest’ gets us. All mixed in with a hefty dose of ‘elf n safety’ and ‘security‘. Get used to the brave new world. You’ll live longer, if less satisfactorily!