While advice is reasonable for a new startup, to me there is a notable gap between “how to earn customers” and “for life” — they even acknowledge that the commo

While advice is reasonable for a new startup, to me there is a notable gap between “how to earn customers” and “for life” — they even acknowledge that the common pattern is to scale to being a monopoly, then exploit the related leverage over customers. Am I missing something, or is that their advice?