Honestly, I really don’t care about freedom-0, it makes no diff to me, I buy tools to solve issues right now, if the tool no longer fills my needs, I either upgrade or buy and alternative (or check open source). What it boils down to, open source without a commercial entity behind it rarely, if ever, rises to an awesome tool, like the commercial applications. (having said that, 7zip does rule and I’m certain other examples exist, but by and large, they are exceptions, not the rule)
I’m not free with freedom zero because, honestly, if everyone stopped developing on Firefox tomorrow, what makes you think I have the time, inclination or ability to maintain or manage the application? So when development stops, it is just as dead as when commercial software stops. Lastly, and my biggest gripe about alleged “free” software is it as JUST as locked down as proprietary - I can’t take code from it and use it as I see fit, if it is GPL, it is viral, I can’t use it for anything I want to sell (and maintain proprietary code apart from the GPL snippet).