I think your approach for evaluating political economic systems is sound, and it’s worth pointing out that, despite decades of unimateral embargo from the us, Cuba has some of the best doctors in the world. They developed their own covid vaccine. From Wikipedia:

Cuba provides more medical personnel to the developing world than all the G8 countries combined.

I think it makes a strong case that a political system oriented towards common good can overcome crippling material restrictions imposed by a hostile neighboring superpower to provide free, high quality, universal healthcare.

Rinsing also helps remove arsenic: https://health.osu.edu/wellness/exercise-and-nutrition/how-to-reduce-arsenic-in-rice

Or simplex!

“Art” is such an interesting notion. I think it’s safe to say that we currently call people “artists” if they’re able to commodify their creative output. Whereas in reality, all humans are capable of creative expression. You are an artist. We all are. And UBI should be given to everybody!