[M]y impression was that the repos obstructed the bill all the way to the bitter end but now if anyone brings up that obamacare sux a chorus of "its the republicans fault" springs up[.]So what?
Yes, they obstructed it "to the bitter end"(*), so it's their fault that it came late.
AND they forced it to be watered-down as all Hell in order to squeeze through despite their obstructionism, so it's their fault that it "sux" in the sense of not covering all the things that it should.
Why should it only be their fault one way or the other, when they set out to fuck it up any way they could? If it's slightly fucked-up in more ways than one, ALL those ways can logically be the fault of these too-successful fucker-uppers.
(That seems to be all the Republicans are good for, by the way: Fucking stuff up.)
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(*): And are now in the process of obstructing for obstructionism's own sake; far, far beyond any reasonable definition of "the end", be that "bitter" or sweet.