Earlier quoted context omitted.
The reason Aaron gets so much sympathy (EDIT: for what he did as well as for how he was treated) is that 1) a substantial portion of the JSTOR data is public domain , 2) a substantial portion of the rest is work funded with public money where it is controversial that it is only available under copyright. But even disregarding that, I don't get why you are baffled: The GPL is a hack intended to spread freedoms. Many w…
If GPL people are concerned about restrictive licenses why not use BSD or MIT which contain fewer restrictions?
It's similar in essence to forbidding slavery — some rhetorician might suggest that it abridges people's freedom to own each other, but the actual intent is to preserve a greater amount of freedom.