There's an equal and opposite person who'll be screeching about safety if you try and monkey with the fuel.

That's exactly why this is taking so long. There's no free lunch.

> an equal and opposite person who'll be screeching about safety

Unleaded avgas isn't as standardized as 100LL. (To my knowledge, there is no dying convention for its different octane ratings. So you can't draw fuel and confirm, visually, that someone didn't put something in your tanks that's going to knock your engine.)