The point is not whether or not the company is VC funded. In fact, he says it isn't.

The point is, why is Paul Sztorc so uncomfortable when asked?

His answer is that the money came from bitcoiners with deep pockets.

So, were those bitcoiners Roger Ver and his people? Are drivechains an attack by the Big Blockers of yore?

I know I'm inferring too much, but look at his face. And his attitude. At the very least he's hiding something nefarious.