Is D a cult?

[grauzone]

Walter Bright wrote:
> bearophile wrote:
>> Walter Bright:
>>> There are significant technical problems with having functions return 
>>> tuples.<
>>
>> A possibly stupid question: isn't it enough to return a custom struct?
> 
> No, because of the alignment mismatches with other uses of tuples.

I don't understand, what does alignment have to do with such a high 
level construct?