Sure, but the problem is when you have a community around that tool that insists otherwise.
> From startups to large corporations, from embedded devices to scalable web services, Rust is a great fit.
Are these "systems"? FWIW "systems" does not appear on the Rust home page.
From wikipedia:
> Rust is a multi-paradigm, general-purpose programming language that emphasizes performance, type safety, and concurrency.
So... a systems programming language? x)