Yes. Writing a language in your free time means juggling work on the side. Or you can be at Google and get paid to write Go for your job, and get free marketing

Yes. Writing a language in your free time means juggling work on the side. Or you can be at Google and get paid to write Go for your job, and get free marketing from it. Even Rust had the backing of Mozilla. Until your "pet" language reaches critical mass that you can sustain yourself and quit your day job, you're fighting the giants.