Not your parent, but I have some ideas on this. I'm not sure how true they are. Maybe I'll write a longer version some day and see what people think. But the summary is this:
I suspect it has to do with how familiar you are with type systems, and the way that you use them. I find that Rust's constraints help guide me towards a solution more quickly, and I spend less time chasing down strange edge cases. Not eliminate! But reduce.
If Rust is helping you make prototypes and iterate quickly, I’d love to hear how you’re using the language.