(Wanting to live forever seems to be a not-uncommon desire among the hyper-rich. Larry Ellison's only known voluntary charitable contribution is similarly to a foundation he set up for researching the prolonging of life... specifically, his.)
That which has no source, takes no source to dismiss.
The "Dark money in the republican party" claim was not substantiated. I can say there is a unicorn on the moon that shoots candy out of it's butt, how would you dispute it?
Edit: there's nothing to dispute in his post, it's all conspiracy theory and talking points barely strung together.
"Dark-money Republican activism" Lol.
Post some sources and I will show you the other side, as a bonus I'll give you a similar "dark-money" event from the Democrats.