It will train wreck in such a manner that tens of millions will find themselves without coverage and will PANIC.
The CRISIS will be used to usher in Single Payer, their goal all along. Perhaps with the interim step of a Public Option.
You don’t get single payer without a Dem House and a Dem supermajority in the Senate. If Obamacare collapses, I don’t see the voting public running back into the arms of the Dems to provide an even bigger Gvt solution.