The dem race tightened by at least 5 points as soon as the republican race was settled, at the same time "turnout" rose. Why? Because people chose a dem ballot as the only one that still made a difference, by the time voting got to their state.
Unprecendented passion to vote *against* Obama is what was going on.
I think you are forgetting what happened. This has some conservatives rather upset because they now fear that Obama may have been a stronger opponent in the end.
Its true, regardless of how they voted they had to switch their registrations. Its obvious.
I think if you go back and look you will find Rush encouraging people to derail Hillary by voting for Obama. Conservatives initially galvanized themselves against Hillary— not Obama.