User blog comment:MrPervSan/The 'Not-So' Followed Meta/@comment-5980721-20130219171023/@comment-5266525-20130219181512

So Darius takes the lion's share of the gold which really belongs to the ADC? That's not what a support is.

Also, once laning phase is over, he's rather useless, as he has no tankiness from lack of gold, so he has no way to make use of the innate damage in his kit.