Well said.

I really don't understand why people bring up other languages when one is discussing implementation of some "advanced/tricky/hackish/new" features in C. It is not as if the implementer does not know about the ease of availability in other languages but there is always some set of criteria which prevents switching to a new language.

On a related note, there is a dearth of written/learning material (books etc.) cataloging and explaining advanced architecture/design/implementation patterns in C though we know they exist in the tons of industrial-strength codebases out there.

There is also the fact that when you see an implementation in C of some feature from another language you better understand language design pragmatics eg. implementing inheritance and virtual functions in C gives you insight into how they work in C++/Java/C#/etc.