From my experience, in an agent team (or a swarm or whatever), one going off the rails poisons the rest. I saw even a subagent going for a lazy cheat and being able to convince the orchestrator to change the plan.

Yeah, and you don't even have to go that far, I've seen regular ChatGPT/Claude chat agents poison themselves in 1-2 turns by just reading information from the internet.

Me: How do I do xyz?

Bot: Reads website titled "Doing xyz in abc way"

Bot: As per your requirement to do xyz in abc way ....