I agree with this. I like being able to know that a site is trustworthy based on it having a .gov domain name.
Or, potentially more deceptively to consumers, "healthcare.gov", etc.
I'm generally less critical of the UN, but I would agree that the UN is pretty much the last body that should be invested with any sorts of power.
As a non-US citizen, I find it strange that matters of global internet governance are discussed with apparently mostly arguments about US-specific issues.