For what it's worth I'm currently writing GPLed embedded software for
a major company. It doesn't seem to bother them too much that they'll
have to release my kernel code as open source - they know they're
getting the benefit of a free OS (linux) as part of the bargain.

To businesses it's all about the cost/benefit. The benefit in this
case is large so the hard-to-define cost of releasing the code is
quite acceptable. Since we're really selling hardware the core
business isn't affected in any case.

Cheers,
Zik
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