going to dilute and cheapen any legitimate criticism of him because people switch off
I don't think this is accurate. I had that experience with all of the accusations surrounding Hillary, wild stuff like how she stole a bunch of furniture from the state department, or how she murdered the cat of one of her former aids, and I did as you said and just stopped paying attention. That doesn't seem to be how the majority of people handled it though. It seems as though the nonstop accusations did have a very significant impact on how people perceived her, though none of those things ever even got as far as a trial, let alone a conviction.
There's an old rule that if you repeat something often enough people will start to believe it, no matter what it is. Let me remind you that the difference between a religion, which we generally venerate, and a cult, which we generally denigrate, is only age - how long and how often beliefs have been repeated is what really matters.
Trump has already said that if the election were changed to be won by the popular vote alone, he would simply concentrate heavily in a few key states (basically California and Texas) and ignore all the others as irrelevant.
That doesn't make any sense. In a popular vote scenario you wouldn't concentrate on states at all, states wouldn't matter. You might put some attention into citites, since you can reach a lot of people easily that way, but you couldn't focus on cities alone since urban and rural voters represent different demographics.
Trump was probably just blowing smoke with that claim.
It will be interesting to know who would have won under each of the scenarios above.
The whole point of the electoral college is that we don't know the results of the real election yet. The only election we have results for is the one where the little people get to vote.
Seeing as the Fake News idea is being promoted by people who won't even come out into the open.
You seem to be conflating two different things. This blacklist is being promoted by people who won't com out into the open, the "fake news idea" is a very broad one promoted by lots of people, many of whom are out in the open.
I hope you're not trying to imply that fake news doesn't exist, anyone with eyes and a modest ability to think critically has seen blatantly false stories being passed off as gospel.
Disc space -- the final frontier!