It's honestly very common people are unaware. http://ebb.org/bkuhn/blog/2009/11/08/gpl-enforcement.html http://ebb.org/bkuhn/blog/2009/11/08/gpl-enforcement.ht

It's honestly very common people are unaware. http://ebb.org/bkuhn/blog/2009/11/08/gpl-enforcement.html http://ebb.org/bkuhn/blog/2009/11/08/gpl-enforcement.html > I'd say that 98% of the violations I've ever worked on since 1998 have been unintentional and due primarily to negligence, not malice. (author of the above statement led FSF's GPL enforcement for many years)