You don't seem to understand how close to 0 it is.
It is literally impossible to have the probability of collision be exactly 0 because that would require an infinite search space which is literally impossible (would require infinite matter and infinite energy which do not exist).
Got it, I'm just thinking there might be just 1 collision happening at one point in the future, even with the chances so small. I mean, again, it's VERY close to 0 but there still is that one very little chance of collision, right?