BSD licenses encourage forking. Specifically, if a BSD-licensed project
becomes significantly commercially valuable, there's an incentive for
companies to hire your developers away to work on a proprietary fork.
When Sun Microsystems started up in 1982, they hired away Bill Joy to work on
a closed version of BSD (SunOS). When Berkeley shut down the CSRG, BSDi
hired those developers to work on another closed source BSD variant. More
recently, Apple hired people like Jordan Hubbard away from FreeBSD to do yet
another fork: MacOS X. The loss of people hurts the original project.
With BSD licensed code, companies can say "work on the codebase you love as a
day job, and you can still work on the open version at night". Then work
them 90 hours/week. Or even "we'll release this code open source after we
can't sell it anymore, a year or two from now". And then the deadline never
comes, or the codebase is irrelevant by then, or too far diverged to merge.
You won't get all the developers, but you'll get enough to cost the open
project momentum. BSD is 30 years old and the free version is still a pale
shadow of its proprietary forks like MacOS X or the bits of it Windows
incorporated.
Now think about trying to do that to a GPL project. If you hire the
developers away, they have to work on a _different_ codebase. Much less
compelling, both for the hirer and the hiree. If you think Linux is
compelling enough to commercialize, you MUST do so within the terms of the
GPL or not do it at all. You can't do a closed fork and distribute the
result. Maybe this means companies aren't as quick to jump on the bandwagon
trying to commercialize it, but the project can then grow larger without
interference until commercial participation _is_ compelling, on its own
merits, despite being unable to corner the market on it.
It's not political, it's pragmatic. GPLv2 has tangible benefits for project
maintainers.
Nobody objects to the FSF putting out new licenses if it changes its mind
about what it wants to do. They object to it pestering those of us
continuing to use the old license because we prefer it to the new one.
The FSF _does_ draw the line in a different place than the Linux developers.
Hence the Linux developers don't want to use the new license, they prefer the
old one from back before Stallman went insane. They have that right, and
Stallman trying to deny them that right in the name of "freedom" is deeply
ironic.
It's not the FSF's code being licensed. It's the Linux developers' code being
licensed. The people who write the code get to choose the license.
Why is Linus's opinion less valuable than Stallman's when it comes to the
license under which the project Linus founded, and which Linus still
maintains, is distributed?
Exactly. And Linus likes GPLv2. As do I.
Rob
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