There's nothing to stop you running CentOS on Raspberry Pi: CentOS Linux on the Raspberry Pi 3. One of the very first Raspberry Pi distributions, Pidora (long gone), was a Redhat-style distro based on Fedora.
Mostly caught in IP hell: two companies claim that they still own major chunks of the (almost worthless) intellectual property.Now and again they'll sue one another, but it doesn't change anything. Amigas are now running on very expensive (not very powerful) PowerPC boards.Where is Commodore now ?
The users still live on. We're still running World of Commodore near Toronto every year.