good reasons not to use D?

[rsw0x via Digitalmars-d-learn]

On Saturday, 31 October 2015 at 14:37:23 UTC, rumbu wrote:
> On Friday, 30 October 2015 at 10:35:03 UTC, Laeeth Isharc wrote:
>> I'm writing a talk for codemesh on the use of D in finance.
>>
>> Any other thoughts?
>
> For finance stuff - missing a floating point decimal data type. 
> Things like 1.1 + 2.2 = 3.3000000000000003

Isn't D used by a rather large banking company internally? I 
believe I remember this being mentioned somewhere.