I think his point was that instead of throwing your hands up in the air and declaring all options to be equally terrible, it might be better to support actors that are generally good.
The original comment seemed to be “sure, some people working for Mozilla are bad, but some are good, and some people working for their competitors are also bad.”
My points were (1) the statement didn’t actually say anything interesting because it only talked about some of the people working at each company (i.e., it was just as true if you switched the company names around), (2) all companies are made up of people, so it’s hardly a surprise that some of those people have admirable motives and others don’t, and (3) “nonprofit” doesn’t necessarily mean “good,” or “pure in heart,” or whatever people seem to think it does.