Why is D unpopular

[Max Samukha]

On Saturday, 11 June 2022 at 18:59:42 UTC, Ola Fosheim Grøstad 
wrote:

>>
>> Or talking about Simula, which doesn't have a mechanism for 
>> encapsulation.
>
> C++, Java and D follows Simula. Simula's protection levels were 
> added in the 70s: hidden, protected and hidden protected, but 
> the defining characteristics is class inheritance, virtual 
> functions and coroutines.

I didn't know those had been added. If it had them from the 
start, would that make encapsulation another defining 
characteristic?