alt Hacker News> Just be honest since the start
While I agree with the sentiment, keep in mind that circumstances change over the years. What made sense (and what you've believed in) a few years ago may be different now. This is especially true when it comes to business models.
When your product entered mainstream with integration that would yield millions when virtually obliged to get a license is typically what happens.
When backed by a company there is an ethical obligation to keep, at least maintenance. Of course legally they can do what they wish. It isn't unfair to call it bad practice.