It's literally a complaint so you're wrong, not that there's anything inherently wrong with complaining. But it's dumb he called the poster on another website

It's literally a complaint so you're wrong, not that there's anything inherently wrong with complaining. But it's dumb he called the poster on another website a complainer for daring to be upset about his car shutting off. There's no moral superiority for posting (complaining) here rather than there.