I don't personally know whether it's possible, but the NYT has reported that every year a couple of people die from leaving a running car in the garage:
If it is possible to do accidentally, then it's also possible to do on purpose.
With that said, I would expect more 28 false positives 12 years. Those very low numbers may indicate that - contrary to their reporting - it is not actually possible (barring weird circumstances).
My garage is right below my kids' room so leaving the car on would definitely be dangerous. Most remote starters automatically turn after 10 minutes so I'd like to think that mitigates that particular threat. Also we have carbon monoxide detectors in every room (after one of my neighbors' HVAC exhaust got blocked by snow after a particularly bad storm).
It's a thing - more accidents these days with hybrid and keyless, so if you get distracted it's not immediately obvious that you've left the car on and the engine might kick in randomly later.
