Or at least you think you are. Have you heard of Engineer's Savings Time? It's the tendency for engineers to underestimate the amount of time it will take to complete a task, and it's based on the difficulty of estimating on one hand, but also ego on the other. This is reversed for the same reasons in the investor world: overestimating the amount of business power a company has.
They're both subject to the impossibility of predicting the future, but contrary to decades of thinking and writing going into software estimation, it seems like relatively less effort has been dedicated to revenue/profit estimation. Of course, when I put it in those words it appears possible I just have a blind spot, but I think the problem remains.
They are proxies for expectations based on past experience, given the glut of quantitative measures that aren't strongly correlated.
In the end, you're playing in the unicorn league if you think you are.
Maybe this is true for investors outside of YC's deal flow, though. That would have some interesting implications.
That discipline is healthy. There are very few companies that have the hyper-growth that allows them to forgo profitability in the short-term and everyone wrongly assumes those examples are the norm, whether it’s a Facebook or a YouTube."
I think more Silicon Valley CEOs need to internalize this. They may have heard it, but from the looks of it, they have not internalized it.