As Elizabeth Warren makes clear in her post, "demonstrated consumer harm" isn't the only justification for antitrust action. We can't demonstrate the innovation

As Elizabeth Warren makes clear in her post, "demonstrated consumer harm" isn't the only justification for antitrust action. We can't demonstrate the innovation that would occur in a competitive marketplace, but we break up monopolies with the faith that it will. This was the prevailing view until the late 20th century. Hopefully we'll get back to it.