It amuses me a little how the example the give is a North Dakota accent, rather than an (east) Indian one. Of course they are carefully not mentionning that this outsourcing will allow them to hire cheaper labour, which will (presumably) offset the cost of setting the whole thing up. And there's the ever-popular branding strategy of uniformity in all things -- if they have all their drive-through people in a call centre, they can better enforce uniformity, better keep them to the script. (Save us, Naomi Klein!)
The more I think about it, the more sinister it starts to feel. If all the ordders are getting keyed into a computer, you can't possibly ask the operator for anything that's not part of the computerized list, for example.
I suppose it's a good thing I'm already boycotting McDonald's.