It's not about no government.

I see it as a blank slate with which you can create something great.

Imagine every country's government as a painting. The country has chosen one painting as their national painting and it is that nation's painting. Maybe every couple of years they may add a tiny change or tweak a color, maybe a tiny dog in the painting did not have any eyes drawn originally and after years of discussion they decide to draw one white eye after much debate, though the painting essentially stays the same. This goes on for centuries with just a tweak here and there. They even decide that their style of painting is the best and that any other country choosing a different style is bad and they go to war over these differences.

Meanwhile, artists all over the world look at these paintings and believe that there could be something better...the centuries old paintings are dull and boring. Warhol comes along, Picasso shows up...Dali wants to change things a bit. But they can't create anything new because there are no blank canvasses in the world. They might have great ideas but there is no place for them to express them. And the world doesn't get to enjoy their paintings.

But then seasteading comes along and says...here are many blank canvasses. Try out some new paintings. Some will be shit because we haven't had any new paintings in hundreds of years. Some will copy the old paintings with some minor changes that other countries had already discussed. But some will be the Picassos, the Warhols, the Dalis...new and interesting. Unlike anything that has come before. Nothing that was allowed to come before. Hell, while old countries will be looking at paintings, we could be watching movies in full surround sound or in a VR world. Leaving them all behind to their legacy systems. Much like what we are doing with Bitcoin as money.