You should read the GPL more closely and expose yourself to some of the legal commentary on interpretations of the word "distribution," as used in the GPL.
Your right to keep your changes to yourself end when you distribute your derivative work to a third-third party. The question is: what constitutes distribution? Some have argued that some hosting and outsourced management operations may constitute distribution for the purposes of the GPL.
Your approximation of the implications of the GPL are probably sufficient for most startups, but your understanding is insufficient if you are so eager to insist that your approximation is still applicable for an organization of the scope and complexity of the DoD.
That said, the article doesn't really seem to get it either.
Your right to keep your changes to yourself end when you distribute your derivative work to a third-third party. The question is: what constitutes distribution? Some have argued that some hosting and outsourced management operations may constitute distribution for the purposes of the GPL.
Your approximation of the implications of the GPL are probably sufficient for most startups, but your understanding is insufficient if you are so eager to insist that your approximation is still applicable for an organization of the scope and complexity of the DoD.
That said, the article doesn't really seem to get it either.