The worse thing for the nevertrump forces would be that he wins and they opposed the whole time. You can pretty much say goodbuy to any political or elected office career. These people wouldn't be able to get any jobs and for people like Graham he would be easily primaried.
Many/most of them are either already retired from politics, or in their last year of office and not running again. Mitt Romney, Jeb Bush, Christine Todd Whitman, Tom Ridge, etc. They have no reason to care about any future job in politics, since they're retired. They care more about their legacy.
And a good chunk of the rest are media people like Erick Erickson and Bill Kristol who likewise have no interest in running for office or working in a Republican administration.
Will act as if he was never a #nevertrumper the guy has 0 spine. Your right about the rest but I was more talking about the Lindsay Grahams of the world . Rubio, Cruz and others who want a future have to be careful of how to time their support.