It's also almost 50 years since "An Open Letter to Hobbyists"[1]. It's amazing that in the last 30+ years, the "hobbyists" managed to turn the entire software industry by 180°, and that Microsoft themselves are reliant on that work.
Bill even specifically mentions musicians. By 1976, when blues was only ca 100 years old, most bands would play what we now call "covers", credit each original writer on the back of the record, and there was no shame or stigma around it. Art builds on art, and "stealing" is probably the most important part of the process[2].
[1]: https://en.wikipedia.org/wiki/An_Open_Letter_to_Hobbyists
[2]: https://www.everythingisaremix.info/watch-the-series/
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