[emodendroket]

I don't see how you figure. In C# List<string> and List<int> are two different types at runtime.

[broiledegg]

And ...?

[emodendroket]

If you're implementing a CLR language and want flawless interop with everything then you just have the constraint that you need to support generics in the same way that other CLR languages do. I'm not seeing why this model is so much worse.