The chance of a UUIDv4 collision is very low, but it is never zero.
If everything is done properly, then this is very likely the one and only time anyone involved in the telling or reading of this account will ever experience this.
Ironically one of the few comments in this thread that isn’t necessarily the gamblers fallacy!
The chance anyone involved saw or heard about the first one was near zero, now they’ve seen this one the chance they see another is still near zero (I.e unchanged).
If everything is done properly, then this is very likely the one and only time anyone involved in the telling or reading of this account will ever experience this.