Microsoft's antitrust game

Its planned $68.7 billion acquisition of Activision Blizzard is wickedly strategic. Will regulators allow it?

(Activision Blizzard)

There are two kinds of antitrust thinking that you see running through conversations about reining in big tech platforms.

The first is narrow and legalistic, focused on core antitrust concepts like market size, definition, and barriers to entry. It’s the more limited approach to antitrust, popular over the past two decades, that frow…