I like these arguments. As a matter of practicality, commercial entities using a maintainers' work should donate to maintainers to incentive them to, well, at

I like these arguments. As a matter of practicality, commercial entities using a maintainers' work should donate to maintainers to incentive them to, well, at least not go rogue, or to be on their good side when they rogue. Companies pay their employees to incentive them to function in the interests of the company. While this isn't fool-proof (principal-agent problem), it lowers the odds of a pissed off employee having the will/self-righteous fury to pursue something more aggressive than resigning in a huff.