It would probably not be a bad idea to have a “United Countries of Earth” similar to the “United States of America” IF it only had enumerated powers similar to how the USA is supposed to only have limited enumerated powers, but the USA Federal overreach proves it’s a problem hold to that.
It is also scaring the EFF out of people because they seem to be doing it in secret AND actually openly discussing eliminating half the population of the planet.
UC of Earth is a bad idea
no matter what its constitution