Not really, because McAuliffe is basically a liberal Romney- i.e. the worst possible fit for this region. I think this also suggests that Obama's economic populism helped him save face in some rural areas last year and that generic Dems still have further to fall in the countryside. McAuliffe probably couldn't win Iowa for example. VA is changing enough that this won't matter, but it could spell serious trouble in PA. I would not be surprised if WV is 80R/20D in the 2020's, along with Appalachia in general.
That's a bit extreme. Has any presidential candidate from either party managed to crack 80% of the vote since pre-1950s Democrats in the South? LBJ didn't. Nixon didn't. Reagan didn't.