"It basically sounds like you weren't using the low-level features of Rust, which are important for our use cases but not important for everyone's." But even i

"It basically sounds like you weren't using the low-level features of Rust, which are important for our use cases but not important for everyone's." But even in a system level program, how often do you need low level features of the language. I think the answer is "very seldomly", and hence, these low level features should be tucked in behind the higher level abstractions. They should be available only when required.