What I really like about the US constitution is that it was the first (and so far most successful) attempt to build a fail safe government. The worst, most evil people can be (and have been) elected and because of separation of powers and elections they are limited in the damage they can do.
No, it’s not perfect but we’ve muddled through so far.
It’s the oldest government operating system in the world.
Not a single reboot in 223 years.