Every change in the laws governing the market is an hypothesis that is shown as true or false over time. Yes, you've made several radical suggestions for changes in the laws that govern our economy. Those are what (I assume) you're calling "theories".
Let's go back to dumping hazardous particulates into the air, too. Same story for that, isn't it? Too much wood smoke, too much bar-b-q, too much whatever you want to claim because we can't prove it didn't happen. Can't blame the particulates from ACME factory because you can't prove it in court.
If you can't pin it down to one person with one cause then it must not be a real injury, so we shouldn't do anything about it. It's that kind of dumb-ass attitude that almost killed Lake Erie and sent Los Angeles citizens to the hospitals for years with respiratory problems.