I feel bad for that new guy. I hope that was not the actual conversation.
At least the Author seems to know it wasn't OK.
This way if you have to push back and say it wasn't you, you have much more impact because you have investigated the problem.
Edit: but I agree, that is no way to treat a colleague.
I’ve had people attack me like that before and it’s not great. It’s always someone in a position of power, too.