Yeah the Culture books pretty much explore that. I would also highly recommend The Hydrogen Sonata in the same universe.

Even if parents can walk unassisted in their day to day life, navigating the airport is extremely hard for senior citizens. You have to wait for checkin, immgrt, sec. It’s an average of 5-7000 steps. They actually acquiesce to using wheelchairq after a trip where they were too proud to use one.