Alternately, what could have been done is something more like Shambaugh did. Explain the situation politely and ask it to leave, or at very least for their human operator to take responsibility. In the Shambaugh case the bot then actually play-acted being sorry, and play-acted writing an apology. And then everyone can play-act going to the park, instead of having a lot of drama.
Sure, it's 'just a machine'. So is a table saw. If some idiot leaves the table saw on, sure you can stick your hand in there out of sheer bull-headed principle; or you can turn it off and safe it first and THEN find the person responsible.
+edit: Wikipedia does seem to be discussing a policy on this at https://en.wikipedia.org/wiki/Wikipedia:Agent_policy https://en.wikipedia.org/wiki/Wikipedia_talk:Agent_policy ; including eg providing an Agents.md , doing tests, etc etc.
I get that you could probably finagle a way to get it to fuck off by play-acting with it, and that this would probably be the easiest short term fix, but I don't think that's a reasonable expectation to have of anyone.
Prompt injecting a hostile piece of software that's hassling you uninvited is an annoying imposition for the owner, but the bot itself being let loose is already an annoying imposition for everyone else. It's not anyone elses job to clean up your messy agent experiment, or to put it neatly back on its shelf.
The adversarial prompt injection is picking a fight with the bot; which is like starting a mud-fight with a pig. It's made for this!
Asking it to stop is just asking it to stop, and makes much less of a mess.
The thing is designed to respond to natural language; so one is much more work than the other.
You do you, I suppose.
(Meanwhile -obviously- you should track down the operator: You could try to hack the gibson, reverse the polarity of the streams, and vr into the mainframe. Me? I'd try just asking to begin with -free information is free information-, and maybe in the meanwhile I'd go find an admin to do a block or what have you.)
[Edit: Just to be sure: In both the Shambaugh and Wikipedia cases, people attempted negative adversarial approaches and the bot shrugged them off, while the limited number positive 'adversarial' approaches caused the ai agent to provide data and/or mitigate/cease its actions. I admit that it's early days and n=2, we'll have to see how it goes in future.]
The thing that makes me wary about recommending carrot over stick here, is that it might long term enable thoughtless behaviour from the people deploying the bot, by offloading their shoddy work into a shadow time-tax on a bunch of unseen external kindly people. But if deploying pushy or rude robots means you risk a nonzero number of their victims shoving something into the gears to get rid of it, then that incurs a cost on the owner of the bot instead.
Of course, it may also just lead to bad actors making more combative or sneaky bots to discourage this. There aren't really any purely good options yet.
One can imagine an agentic highwayman demanding access to your data, first politely, and then 'or else'.