| I find it difficult to invest time in reading this when the author demonstrates such a basic misunderstanding of copyright: >...software, by default, probably cannot be used, modified, or redistributed without a license from the copyright holder. Of course it can be used and modified. It's the redistribution that is covered by copyright law. >...you can’t really use software without someone giving you permission. This is completely false, except where a license is required to obtain a copy to begin with. It is the license that creates the restriction, not the copyright. |
Even if it was overturned, modification has been a core part of copyright law since Folsom v. Marsh[1], where the Supreme Court interpreted the entire concept of derivative rights into the law. In fact, this ruling was so expansive they had to invent fair use at the same time just to avoid accidentally overturning the 1st Amendment.
Copyright creates the restriction, specifically to legally mandate a negotiation for the license that absolves you of the restriction. If you do not have a license, you have nothing but a pending lawsuit.
[0] https://en.wikipedia.org/wiki/MAI_Systems_Corp._v._Peak_Comp....
[1] https://en.wikipedia.org/wiki/Folsom_v._Marsh