I disagree, there is nothing wrong with asking rural inhabitants to come to a nearby city to get treatment in a hospital, if that means that the service of this hospital can benefit people equally instead of it being monopolized by a small number of rural inhabitants.

And no one is forcing anyone to grow food, rural inhabitants are not enslaved by city dwellers.

But a society needs a certain amount of food and other resources for a given number of people, there is just no way around that if you don't want people to starve.

So what is your proposal to this? We can't continue as is, and moving all the city inhabitants to rural areas is clearly also not feasible.