Reddit: why aren't people using D?

[Walter Bright]

Rainer Deyke wrote:
>>> The
>>> struct/class split, on the other hand, introduces many more problems
>>> that are harder to fix.
>> Again: what are those problems?
> 
> Syntactic ambiguity.  Confusion between an instance of a class and a
> reference to that instance.

I was initially thrown by this when I started some Java programming. But 
it soon became clear this was an advantage, and I came to prefer it.

So I think this is a case of one's perspective, not an actual problem.