This is Sony's MO. Not surprised at all. The Rocket League devs said the same thing: Sony is holding them back. It's good for the Playstation 4, but putting poison into the well of developers will only drive them away in the future. I don't see why they'd refuse to take this step.
"Microsoft's E3 2017 briefing takes place at 2 PM PT / 5 PM ET. The company is expected to formally announce Scorpio's name, price, and release date during the event."
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