Except you do this in a corporate setting and they will stop you the second it works. And then you are stuck maintaining a barely working version forever.

I learned this the bad way, but now I just lie and say it doesn't work until it's good enough for me

Everyone's threshold is different. I aspire to "move fast and break things", but more often than not, I obsess over the rough edges.

^^^ THIS ... If what you're building is useful, showing someone a prototype too early can cause the whole company to rush you to deploy.