alt Hacker NewsI'm not so clear the choice was made consciously. There's a big swing away from the GPL and towards MIT/BSD around the time that Apple starts adopting a bunch of open-source projects for inclusion in MacOS X, and it accelerates when various big companies announced that they would be forbidding GPLv3 adoption. Fast forward to the cloud provider era, and basically no new software is being placed under the GPL (at least in part because Amazon/Google/Facebook/etc are predicating contributions on being GPL-free)
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(All personal opinion, etc.)
I'm not actually sure what a better way to square the circle of not making the large entities that have developed a weird patronage relationship with open source projects run away while also avoiding the kinds of problem that the GPLv3 and AGPL are hoping to deal with, would be. Limiting the virality scope might be beneficial there, but I'm not sure how you would word that in a way that's not gameable.
It feels like we've wound up in a weird position where because so many GPLv2 projects moved to GPLv3, companies were startled into paying attention to the risks involved in a new license with open questions about how it would shake out in actual courts, as well as being jolted to the very real possibility it could happen again, and took the path of risk reduction by moving toward platforms where that couldn't happen.
You might compare it to everyone pointing to Solaris's source closing as a reason to not trust Oracle about MySQL's license remaining GPLv2. (As it turned out, so far, they haven't changed the license, but there was certainly a lot of fearmongering about that at the time.)
So I think I agree that it's not so much a coordinated effort to steer anything as the direct effects of companies avoiding funding that space, as well as the knock-on effect that anyone whose goals involve large companies using their product and leveraging that avoids picking a license that precludes that in turn.
The problem with GPL was "tainting." It was never clear in what cases you could use GPL without it dragging all your code into being freely available. LGPL was supposed to help with that; AGPL made it even worse. The lawyers were terribly confused and recommended you just not use anything with "GPL" in the license.
The reason why MIT/BSD licenses flourished is that they were easy to understand. As long as you didn't sue the original author or try to claim the code was written by you, you were free to do almost anything with it, including mixing it in with other for-profit code.
Whether that's an abomination or a blessing depends on your corporate vs. free software politics.