Earlier quoted context omitted.
True, but there’s also something vital that does not show on the balance sheet (and can sink companies): Excellent tools spread through the best kind of word of mouth. Excellent tools that are free spread even faster and further. There’s no way to know how many corporate plans were sold because a single team member relied on Slack outside of work, or how many pro user accounts exist because someone was visiting a Sla…
GitHub is a good example of an enduringly useful (to the company) free tier. Because devs use it for OSS/hobbies, they want to use it at work. Simple.
Users pay for convenience and for more, not just slightly better.