Why does nobody seem to think that `null` is a serious problem in D?

[Kagamin]

On Friday, 30 November 2018 at 15:32:55 UTC, 12345swordy wrote:
> NotNullable!MyClassImpl = (MyClassImpvar != Null) ? 
> MyClassImpvar : new MyClassImpvar();

AFAIK it's something like
NotNullable!MyClassImp m = MyClassImpvar.orElse(new MyClassImp());