The problem with equity is that if everybody does that, a company is not worth 15 times their profits but 150 times. That would turn company shares into a form

The problem with equity is that if everybody does that, a company is not worth 15 times their profits but 150 times. That would turn company shares into a form of fiat based money. Or if everybody is starting companies, competition would be so fierce that nobody would be making a profit.