Vivek is apparently a very wealthy man. He also has skills, not just in speaking, and apparently a formidable work ethic. He was apparently ubiquitous all over Iowa.
A lot of “apparently” there, but TBD.
The one US politician who came from a nonpolitical background to a dominating position, almost instantly, is Trump. That I can think of.
Many of us, including myself, were suspicious of Trump until he won the nomination. For us, once he won the nomination and started to campaign against Hillary was when started supporting Trump.
I’m glad I was wrong about Trump and I’d love to be wrong about Vivek, but I would have to see more from him to be convinced.