The situation of COBOL has nothing to do with Rust in Linux. C is not replaced by Rust, first. Secondly, there are legitimate reasons why Rust was introduced, as a secondary language. You are conflicting two different cases that are two different problems. It's not replacing a language.
Third, we do not need COBOL. All those systems that are still running on COBOL are businesses that shouldn't exists in the first place anymore.
The situation of COBOL has nothing to do with Rust in Linux. C is not replaced by Rust, first. Secondly, there are legitimate reasons why Rust was introduced, as a secondary language. You are conflicting two different cases that are two different problems. It's not replacing a language.
Third, we do not need COBOL. All those systems that are still running on COBOL are businesses that shouldn't exists in the first place anymore.
Like banks and insurance companies?