Earlier quoted context omitted.
P/E is NEVER useless. For instance, if a company misses on earnings, then maybe it was an outlier - an odd quarter of sorts. But if you do it a few times over, then you are not the growth company you thought you were, and your 100:1 p/e will come crashing down to join everybody else (albeit maybe on the high side) somewhere in the upper 20’s or in the 30’s. But here’s the key - to do that, a stock would have to lose…
But you are assuming that the end goal of the company and purpose of buying the stock is to participate in "earnings" in the form of dividends. But that is no longer the MO of many public companies now. The goal appears to just eternally grow the stock price and allow share holders to cash out in the form of appreciated shares which get a preferable capital gains tax treatment. Occasional earnings are just there to p…
Second, a company’s market capitalization can only grow in one of two ways: increase in the P/E ratio, or increase in earnings. Of the two, the latter is more sustainable, and less susceptible to market downturns.
Dividends are just the percentage of earnings a company pays out to its shareholders for various reasons (I’ll skip the myriad of reasons for brevity).
The best measure of sustainable value creation is ROIC (Return On Invested Capital). Most people don’t use it because it’s not a readily available statistic and it’s not easy to calculate. But for the long term, I don’t know of anything better. Still, p/e is important.