A whopping 8 in 10 do not want Republicans to allow insurers to boost premiums on older people — the ACA limited prices on policies for older people to three times that charged younger ones, while Trumpcare would have let those premiums go up by a factor of five over what younger people would pay. Seven in 10 don't want people whose coverage lapses to get hit with premium surcharges — another new wrinkle that would cost plenty of people plenty of money.

And then there's Medicaid. According to the AP report, people opposed proposed cuts to Medicaid "by wide margins," thus registering their disapproval of making it tougher for lower-earning people to cover medical costs.

They also strongly opposed a halt in federal payments to Planned Parenthood, as well as a proposed transformation of the ACA's subsidies, which are based on income and premium costs, into aid linked to age.

Overall, just over half of poll respondents say they worry about how many Americans would have lost coverage had the Republicans succeeded in passing the American Health Care Act. Asked whether their own families and average Americans would be better or worse off under the AHCA, more said worse.

Even quite a few Trump supporters don't like his approach to health care, with about 20 percent disapproving. And one in three Republicans disapprove of Trump's performance on health care.

And more people support than oppose the ACA — a 45 percent compared with 38 percent. In addition, says the report, "a slender majority say covering all Americans is a federal responsibility — a view embraced by Democrats but not Republicans, who instead focus on access and lower premiums."