First off, I think loss leaders are an almost textbook example of anticompetitive tactics indicative of detrimental dominance in a market. We should expect tactics that need regulation to seem normal, because if they weren't effective, they wouldn't be a problem in the first place. But also, given the pervasiveness of VC in this environment, and the tendency of investors to exert influence on the direction of businesses they invest in, the practices of VC and PE is where antitrust should aim