Adding to this, IME, doco for .NET Framework is increasingly hard to find because the .NET Core stuff bubbles up in its place - possibly also because Google is absolute trash these days. Not a big deal if you have some hardcore .NET lifers who know Framework inside out.. but I'd say those are heavily outnumbered, and eventually going to move on to goose farming anyway.

I can tell you that in regards to that, being around .NET since day zero is really advantageous for actually being able to find what I wanted.

Also they aren't the only ones, same applies on the Apple ecosystem, only those around Mac OS and OS X early days actually manage to find sensible documentation.