You kind of do if you ever want to work on anything other than pet personal one-man projects.
Also: I've used Rust at work. In fact, I learnt Rust because I was processing a lot of data at work, and needed a fast language to do so in a reasonable amount of time.
Also: I've used Rust at work. In fact, I learnt Rust because I was processing a lot of data at work, and needed a fast language to do so in a reasonable amount of time.