I have no experience in world building or legal stuff, but I would imagine proof might be part of the actions leading up to said event, such as planning and preparing to execute said plan.
Then, disproving might be showing a chain of events that might lead to an accidental predation.
With the end result of enshittification, people will migrate if their experience is bad enough. Google wants to strike a balance between making as much money as humanly possible and making the search experience at least decent enough to retain the majority of their users.