If your choice of language is restricted to what you can learn to use in a couple of hours your options will be limited and sub optimal. So yes, if you don't kn

If your choice of language is restricted to what you can learn to use in a couple of hours your options will be limited and sub optimal. So yes, if you don't know Rust and you only have 2 hours to learn the tool you need for the job Rust is a bad choice. However if you are planning to program as a career and building software is your trade, Rust is an excellent choice. Rust helps you build programs that are correct. Go lets people that expect languages should be able to be learned in an afternoon program.