It’s an interesting idea.
I generally disagree with some of the premise, but I do think it’s interesting. Taking advantage of one’s health and youth while one has it seems tempting.
On the other hand, worker productivity presumably goes down pretty fast once the worker in question is in their 60s-70s, just because they’re getting older, so there may not be anyone who wants to employ them.
You’ve also got the issue that social security benefits do somewhat depend on how much someone earned in their life (I believe, I’m no expert) - so what would be the benefit someone takes in their 30th year?
I like the idea, and the spirit of trying new ideas and forms of government.
That being said, Wikipedia isn’t without its own issues. The editorial hierarchy, like every bureaucracy, becomes rigid, brittle, and ossified over time. The predominant viewpoint becomes entrenched. And so on.
I very much believe that our representative democracy has grave flaws, and that a wiki-based form of direct democracy answers some of them. But how would you keep the system from being games? At some point, someone has to have the power to approve the edits, and the politicking to be that person becomes fiercer the higher the stakes involved.