To be fair, many (non-game dev) Rust projects I have seen/used do provide great user experience precisely because they are laser-focused on performance and have blown existing alternatives out of the water. (Think ripgrep, fzf, etc.)
Prototyping is certainly necessary but it shouldn't be at the cost of runtime performance – at least not too much –, because it will typically be very difficult to improve performance after the fact, which web development frameworks, and in particular shitty "web" applications like MS Teams are a testament to.
Prototyping is certainly necessary but it shouldn't be at the cost of runtime performance – at least not too much –, because it will typically be very difficult to improve performance after the fact, which web development frameworks, and in particular shitty "web" applications like MS Teams are a testament to.
As always, it's about balance.