> lands into a training dataset somewhere and starts deploying itself.

Leaving aside how incredibly vague this "mechanism" is, there is a very large list of infinitely unlikely coincidences that would have to take place for this to occur.

Consider how often human software, built in the same planet, by the same race, on the same hardware and using the same language, during the same time period, with most of the same tools, fails to be compatible.

Now take all those "same"s and change them to "different" and you tell me who's gonna file that Jira ticket.