Why are people still upset about this? By now it should be clear to everybody that digg shifted to a more publisher based article listing. Either that's fine with you or you go somewhere else. Why all the complaining?
From a technical perspective though I wonder why digg would add all these bot accounts, creating clutter on the site, when they could also easily achieve the same effect by some background tweaking
People are upset because Digg cultivated an audience of rabidly anti commercial poor teenagers, and rabidly anti commercial poor teenagers do not like learning that they are advertising inventory for a company with tens of millions in revenue.
There is a lesson here regarding audience selection.
From a technical perspective though I wonder why digg would add all these bot accounts, creating clutter on the site, when they could also easily achieve the same effect by some background tweaking