I've been dangerously skipping permissions for months. Claude always stays in the project dir and is generally well behaved. Haven't had a problem. Perhaps it was a fluke, doesn't mean you won't.
But this person was "cleaning up" files using an LLM, something that raises red flags in my brain. That is definitely not an "LLM job" in my head. Perhaps the reason I survived for so long has to do with avoiding batch file operations and focusing on code refractors and integrations.