This is like saying, "All things being equal, I'd prefer Santa Claus bring presents on Christmas Eve than have to go shopping for my kids."
It's like well duh of course you'd prefer the impossibly unrealistic miracle.
Impossibly unrealistic to change zoning to disincentivize car-dependent urban design?
Impossibly unrealistic to get rid of enormous sugar production subsidies that make it insanely cheap?
Impossibly unrealistic to simply tax added sugar?
Other countries do it. https://en.wikipedia.org/wiki/Change4Life
Of course it is impossible to live a healthy lifestyle and have healthy weight, if you ignore the 3/5ths of Americans that are not obese and the 7/8th of the global population.