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Mark Zukerberg was grilled by US politicians in 2018 over data scandals Andrew Harrer/Bloomberg via Getty Images

AS CAMPAIGN visions go, it is one that most people can get behind. US 2020 presidential hopeful Elizabeth Warren just wants tech companies to play by the rules.

“You don’t get to be the umpire and have a team in the game,” the Democrat senator told an audience last week, describing how she believes Amazon exploits its market position to smother competitors.

But the way she wants to achieve this could prove divisive. “My administration will make big, structural changes to the tech …