Looks like there&#x27;s someone doing a carpet-downvoting everything in the subthread(my root post dropped ~3 pts just as these were downvoted).<p>Yeah, it&#x27;s a double-edged sword. On one hand it&#x27;s a ton of data, on the other there&#x27;s multiple cases where you don&#x27;t need to bring the car into the dealer for them to diagnose something.