> If the first priority is always memory safety, then rust should not have `unsafe` keyword. You can't have a system programming language without some unsafe

> If the first priority is always memory safety, then rust should not have `unsafe` keyword. You can't have a system programming language without some unsafe layer because eventually you will have to interface with either the OS or a library written in another language and that's unsafe. Even languages like Java and C# have unsafe escape hatches for situations like these.