Are you sure there would be no more "evil" candidates? You've got to watch out for "evil" people...the same way one has to guard against slender man and Keyser Soze.
You get fixated on the weirdest things. The "second most evil" line is a reference to the "lesser-of-two-evils" voting strategy. Not an actual claim that someone is evil. I'll try to spell things out more simply for you in the future.
Sure...explain how this will get rid of partisanship. Feel free. Use the 2016 republican primary as an example.
Be happy to.
First of all, let's dispense with your strawman - I never said it would "get rid" of partisanship. But it will mitigate it, and stop rewarding candidates for being so partisan. The most obvious change with RCV is that it allows to people vote third party without "throwing away" their vote. So, if you think the Green party candidate is actually best, but you still prefer Biden over Trump, you rank Green #1, Biden #2, and Trump last - or not ranked at all (same effect). Ranked that way, in the likely event that the Green party candidate doesn't get enough first place votes to win, your vote would go to Biden instead. Under RCV, you can vote Green - and have your vote on the record supporting Greens as your first choice, yet still vote "against" Trump by ranking him last.
The more subtle change is how it would impact campaigning. It gives candidates more of an incentive to address the concerns of all voters, not just their base. A candidate can win by scoring more second place votes. They have a built in incentive to avoid alienating voters who might rank them second place.
As far as historical examples, you cited the 2016 republican primaries: Especially early on in the process, most Republican primary voters opposed Trump, many of them bitterly. But the field was so crowded that their votes were dispersed among the other candidates and Trump was able to do well regardless. Under RCV he'd not have fared so well. If most of the voters in and RCV election rank you last, you won't win. Period. Trump would almost certainly not have been the Republican nominee using RCV.
Another example would be Bush/Gore debacle. Many experts claimed, then and now, that GW won because Nader split Democrat votes. As close as it was, RCV would likely have given the victory to Gore.
On the flip side, Bill Clinton probably won in '92 because Perot did something similar to the Republicans. RCV would have most likely given that one to Bush senior.
Finally, under RCV third party candidates will actually get a real idea of what kind of public support they have, and more of them are likely to run. More ideas and perspectives, in my view anyway, is better than less.