Aren't personal attacks frowned upon on HN? By the time I'm merged, I am at the junction point, and I'm not preventing anyone with flashing lights from passing

Aren't personal attacks frowned upon on HN? By the time I'm merged, I am at the junction point, and I'm not preventing anyone with flashing lights from passing, that's why people use 'mirrors' -- well, most of them anyway, especially those who aren't standing on high horses.