> If you can reliably price a stock based on any measure of company value then you could be very rich very fast.

What you're saying is already true and already is happening. The global financial services industry is a $20T industry.

> There is a reason they say don't stock pick just buy an index fund and hold.

Yes for the common retail person sure, but someone has to purchase stocks to put them into an index. Those are professionals who evaluate PE ratios, profitability, and financial statements.