So, fuel stablizer isn't worth using?
I've never watched Project Farm before; thanks for the link. Seemed, if not conclusive, then at least good data.
I'm not sure where I'd get E0 for my lawn mower, but since they're freebie projects so far, I'm not too worried. Somehow they've managed E10 for a number of years. I did buy a 25 year old ATV that had been sitting for 4 years with old gas in it; I did wind up replacing the fuel lines and the fuel pump, and both items had dusty white garbage in them. Didn't mess with the carb (yet) since it's been running good enough.
IMO E10 might have a place. I remember having to put dry gas into a vehicle or two as a kid. Maybe modern sealed fuel systems mitigate that need altogether, but I know I haven't used dry gas in years. Perhaps it doesn't belong in things that sit for long periods of time, but for other items maybe it's just fine.
IIRC straight cut gasoline is something like 60 octane. I have no idea how they can bump the octane of gasoline using only components available in crude oil, but ethanol does offer an octane bump. Dunno if it's overall worth it--growing corn to make ethanol uses a lot of ground water and has these water issues, but I'm not going to go out of my way to buy E0 when E10 hasn't caused me problems (yet).