Ok, Less likely than the chance your computer will spontaneously catch fire while running your code. Less likely than the chance the sun will emit a colossal solar flare and engulf the earth in a firey death.
Right, but that's the point of a GUID. Claiming no chance makes it sound like its distinct from other GUID generators in that way. I think the intended claim is "here is a scheme for roughly timestamp-ordered GUIDs", which makes it clear that the timestamp-ordering is the interesting part.