Imperfect is not the same as careless. The bar is: honest, usable, and safe. Beyond that, many refinements are cheaper after something is real in front of people.
What “good enough” means
Good enough is the set of properties without which the idea cannot be tested. Everything else is a wish list until you have signal.
The risk of waiting
Long polish cycles often hide fear of judgment. Feedback from real use is how you learn what to polish next, instead of guessing.
Iterating in the open
Small releases, clear notes, and a willingness to revise in public. The story of the work becomes part of the work.