I think we all share the same concern. I am told to lauch by everybody (even here) but I can't until I have at least fixed the MVP to fit my minimal standards.

It is hard to explain but you've nailed it. In development, you are alive and can fix things. I do not want things to go wrong for my users.

By myself, I have a lot of leeway. There are many things I can tolerate, and I often strive for "good enough"

But I can't do that with future users involved, even if they don't exist yet. Because they will trust me to deliver a good product, and I want to be worthy of their trust.