Fortunately we don’t have a “National (majority) vote.” It won’t matter if California allows 15 million fraudulent votes, since they’re only responsible for their 55 Electoral Votes. Trump will sweep a majority of those elsewhere on Election Night.
(Still, California’s votes should be nullified for obvious epic-level fraud)
If it is found that several states do the same which I think they will then the courts get involved and the entire election will be called into question. There is no depth that dims will not reach and tossing a wrench into the elections is not something they would shy away from.
It would be appropriate for California’s 54 electoral votes to be thrown out, and not counted in the Electoral College because of their permitting illegals to vote.
That would make Trump’s victory all but assured.
It still matters that they elect 53 members of the house of representatives (and two senators via a one-party election).