> Today, I still write .net code (for a different employer) and I can barely tell whether I’m on Windows or Linux.

One of the most interesting and nicest outcomes of this has been wsl2, which has made Linux development in enterprises available, and palatable to policies and security requirements. While keeping that nice seamless experience. Without it my only choices were a mediocre experience directly on windows with its odd choices, or a mediocre experience with "we have UNIX at home" on macos with its handwaved away deficiencies.