I've never met a more consistently Darwinian group of people than nature guides. Supposedly rapacious business types are pollyannas by comparison. - Paul Graham

As long as all newly founded startups prefer your product, don't worry about competitors who can convince larger customers. You'll own all future cohorts of companies, and that's more than enough. Plus in practice you'll eventually convert the old cohorts too, if you bother to.

wonder if anyone in the world works harder at anything than American school kids work at popularity. Navy SEALS and neurosurgery residents seem slackers by comparison.

The word "screed" is a sign of intellectual dishonesty. In practice it means no more than "something someone wrote that I disagree with," but by hiding this in the noun you use to describe the work, you make it seem as if this were some intrinsic feature of it.