Being a surprise shows that you really don't understand. XP is as robust as any other system run by Windows, so long as it is updated and patched. Microsoft have contracts to keep it stable. The problem here was caused by the NHS not updating patches since 2012. Paris airport still runs on 3.1...
Why feel the need to be abusive to other posters? Says more about you than them. You said you had been looking into stuff but you come up with a link. I sir, would suggest you've not been looking at all and just fumbled your way upon the story.