That's not what they said. They said that the fact people keep using the play store despite all of the shitty practices by Google (e.g. the review process) shou

That's not what they said. They said that the fact people keep using the play store despite all of the shitty practices by Google (e.g. the review process) should be proof enough that Google engaged in anticompetitive behavior, otherwise people would go to a competitor. Which is debatable but not as absurd as you make it out to be.