Ah, here's the expected comment blaming government regulation! Obviously it couldn't have anything to do with ridiculous valuations that the companies couldn't

Ah, here's the expected comment blaming government regulation! Obviously it couldn't have anything to do with ridiculous valuations that the companies couldn't possibly live up to on the public markets. It must be that pesky regulation. Someone should disrupt it! (even your Wikipedia link says that the claims of correlation between Sarbanes-Oxley and reduced IPOs is questionable; maybe you should edit it?)