They forgot the "replace" part of their "repeal and replace" mantra for the last 7 years.
To be fair, "nobody knew that health care could be so complicated."
The Republicans have NEVER had any ideas about what to replace Obamacare with. Neither has Trump. That was patently obvious to all but the biggest idiots in the election. How do you wind up with a way better health care bill that would be much cheaper? Not possible!
John Boehner said that the Republican party had never managed to reach any kind of consensus on what health care should look like in his 25 years on the hill. The idea they'd be able to reach that consensus with the Tea Party as part of their ranks was always extremely unlikely. Most of them are in gerrymandered districts where they don't have to care what the voters think. The Republicans NOT in gerrymandered districts had a lot more fears of what pulling away health care coverage for tens of millions of people would do to their electoral hopes.