This argument has been going on for a while, but apparently exploded recently.
Im so conflicted about this. I feel like my left brain is fighting my right brain. Or mom and dad are fighting again.
On one hand, I have been a huge blender fan for over a decade and personally would give away anything I developed for it. Even if it were high quality. I am all for this way of doing it. Kind of forcing a level playing field no matter if you are AAA studio or some broke but talented college student making 3d models.
On the other hand I totally get how those add-on devs feel being officially told "Thanks for all your hard work, but if someone takes your add-on and gives it away, it's fine." - These add-on devs can charge users to download the add-on, not for the add-on. I used to believe it wasnt right to charge for the ability to download a 'free' add-on, but after seeing how high quality some of the addons are, I completely feel they deserve some compensation for improving blender even more.
Basically, I don't even know what's right anymore.