I did not say that the linked article is making a sound argument. I agree with you that even with a non-FOSS OS, you can set things up that cancellation of the

I did not say that the linked article is making a sound argument. I agree with you that even with a non-FOSS OS, you can set things up that cancellation of the license does not make you lose your keys. I was merely annoyed by the strawmanning.