A top conservative think tank is upset that a Republican plan to repeal and partially replace Obamacare expands on the healthcare law’s “flawed progressive premises.”

“Many Americans seeking health insurance on the individual market will notice no significant difference between the Affordable Care Act (i.e., Obamacare) and the American Health Care Act,” said Michael Needham, CEO of Heritage Action, the political arm of the conservative think tank Heritage Foundation. “That is bad politics and, more importantly, bad policy.”