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Pluralistic: "If buying isn't owning, piracy isn't stealing"
(pluralistic.net)
This is a most excellent place for technology news and articles.
I think there's an exception to be made in your argument for abandonware. There are classic arcade games that wouldn,'t exist any more but are widely available due to MAME support.
The Nintendo eShop shutdown is another example of preserving software through piracy.
See also: The Despecialized Edition of the Star Wars Original Trilogy