Depends on 'the good life' - we can't lift everyone up to live like a doctor, but it's easy to push doctors down so they live like everyone else.
>I don't know there's any reason doctors should get exceptionally high incomes
U.S doctor's incomes are probably influenced by the AMA cartel that keeps good candidates from earning medical degrees. After we bust the cartel, we can let the chips fall where they may. My hunch is that doctors would be paid more like veterinarians if the market were freer.
On some level, a job's compensation is tied to the challenge of the job. It's more difficult to perform good medicine than it is to be a cashier, we should expect doctors to be better compensated than cashiers.
If you don't think that doctoring should earn especially high incomes, then you have not seen a doctor work, and perhaps you've never been gravely injured.
I don't know there's any reason doctors should get exceptionally high incomes (except that in the U.S. they have to pay back exceptionally high student loans for the first decade-ish, of course).