This reminds me of people who used Computer Modern to make it look like they had written their paper using LaTeX to get better marks. It usually worked

Macintosh Pus actually. At least I hope it’s a Plus. If they gutted a 128k or 512k that would be sad.

If you are a big company there are often ESCROW agreements for things like this. I have encountered the “data dumps” from time to time and whilst it’s “better” it’s not ideal. Half finished documentarian, virtual machines of mis-configured OS installs… it’s almost as if it was just a straight copy of the development environment as it was just as they made the final version of the software…

But it’s better than nothing.

Main issue I can see with this forcing open source would be libraries and frameworks licensed from others who would likely still be in business and wouldn’t agree to those parts becoming open sourced. See also WinAMP https://www.theregister.com/2024/10/16/opensourcing_of_winamp_goes_badly/