André, I agree with you, we never should have had the separation of 'tainted' (and I argued that in the early days too) but that decision was made a long time ago and is not up for debate here. With regards to open source but not FOSS, there are many types of licenses that source code can come with, not all of them meet the defintion of the free software foundation: http://www.gnu.org/philosophy/free-sw.html Those that don't meet that definition are considered non free, this is just a convention commonly used in the Linux world, personally I'm not too attached to this convention, but again this is not up for debate here. I hope this clarifies things for you! :)
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