[parent5446]

>You're free to repair it on your own... If you can.

You literally can't. It's proprietary software that you have a limited license to. This isn't like a deprecated Linux distro that you can always jump in and patch the security issues yourself.

Hell I'm sure if these tractors ran on free software, there'd be a business out there competing against the manufacturer by fixing old tractor software if it meant pulling in consulting fees from the farmers. But they can't, because we live in a world where you don't own software, you lease it.