I'm really disappointed that Solaris picked a "let's screw Linux" license, relegating some otherwise interesting technologies to only run on Solaris, on permissive OSes like BSD, and on systems that don't care about license compliance.

There was nothing about screwing anyone involved in the choice of the license. The license had to be something all the copyright and license holders were prepared to accept (and getting them to accept CDDL was hard enough, not everyone did hence the few closed components).

Our belief was that Linux would be unlikely (and unwise as the overall system architecture is sufficiently different that it would be hard to port) to take the code. We expected - and encouraged - the concepts to be taken (as with the slab memory allocator).

Some Linux people were saying "let's screw Solaris" first and Sun people are only human so that's the result.