The bluntest tool I can think of would be to block companies above a certain size from acquiring other companies. That could mess up the entire VC/tech startup

The bluntest tool I can think of would be to block companies above a certain size from acquiring other companies. That could mess up the entire VC/tech startup system, but it would also prevent large companies from killing competitors in the cradle. So many innovative startups in the last decade have been absorbed into big, much less interesting companies. Where would we be if all that tech wasn’t lost?