These cost a lot of money to have. Although I believe the income they have made from the player base being in the millions, they can justify the install. They most likely already have servers around the US that feed connection points for downloads and players network coms.
They have to pay a fair amount for data colo space. Square footage in these businesses is not a cheep thing but many factors weigh in on it.
English
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Dude they've made hundreds of millions and they can afford it. Get real.
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And it cost them millions to make as well
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... Right... Either way they can afford it - easily- and that just proves they only care about money in the short term and not quality player experience to ensure longevity.
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Why add this expense when the sheep still play?