The design process of C# is open source. You can head over to the repository at https://github.com/dotnet/csharplang and have a look at some of the discussions surrounding the language design. In fact, the meetings documents make for fascinating reading.
Once you are in the GitHub repo, have a look at dotnet/csharplang/meetings for a collection of documents organized by year.
The first thing that strikes me as obvious is that the thinking surrounding the C# language is very structured and deliberate. All throughout the repository, you will see that the last commit date ...
