I don't think any VC worth the time is going to sit around nitpicking how much Nix matters to their offering if they're making increasing amounts of money.
> What works better to raise VC (which for many is the goal)[?] A nix wrapper or a deployment platform
Well, if I wanted VC money for this, even if I was buliding a simple nix wrapper, I'd still tell the VCs that it was a deployment platform. (to be clear I have no opinion on TFA or any idea whether this is what they're doing)
A nix wrapper or a deployment platform