Would you use Rust for your backend if you are a developer trying to deliver a MVP ASAP? Are there things missing compared to other popular backend languages like Java, Go, Node.js?

A developer like Pieter Levels makes his/ her living by building products fast. I noticed most of them chose more popular languages like Java, Go, Node.js, why? What is missing in the ecosystem? What made you regret using Rust for your SaaS backend?