Why structs and classes instanciations are made differently ?

[Kagamin via Digitalmars-d-learn]

On Tuesday, 25 July 2017 at 15:56:45 UTC, Houdini wrote:
> Yes, but it isn't the default way in C++ to do dynamic 
> instanciation.

https://github.com/isocpp/CppCoreGuidelines this? It's only 2 
years old. The new operator predates it by decades.