Exactly. "Rust wasn't the right choice because we spent too much time and resources playing with it." is not an argument against Rust. It's an argument against

Exactly. "Rust wasn't the right choice because we spent too much time and resources playing with it." is not an argument against Rust. It's an argument against learning a new technology while looking for PMF. There's nothing inherent about Rust that makes it a poor choice to build a first iteration of a product with.