You can easily install it on an existing computer and try it out if you don't want to spend money right away.
Eventually nobody knew why it was called XBox Media Center when nobody really used it for the XBox. So they changed the name to KODI because it vaguely resembles REWIND STOP PLAY icons:
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K O D I
So that’s a little history, but I still mourn the loss of legacy screensavers like the excellent ‘matrix’ and the native ProjectM/Milkdrop support which hasn’t isn’t present in the Pi version or newer PC builds for years AFAIK.
Anyway, this is like banning Chrome because you can go to a porno website.
I had thought it must be named after someone's baby brother.
I now use an AppleTV 4K to stream UHD movies from a NAS. But the concept is the same.