It already ended because I was completely correct and the best response he could come up with was 'oh dear'. There's no going on from that.
Clearly you weren't otherwise you wouldn't have interfered - a common PLT trait. 'My bad'? A phrase used by 12-16 year olds.
No you're right I shouldn't have posted. After doing so I realised the thread had been dormant for several hours and that my concern had been misplaced. Rest assured, I didn't take my mistake lightly and I've already subjected myself to an undisclosed form of self-punishment. Baffled to find that you're furiously arguing with me now though. I think it'd help you to realise that not every single post on the Internet is a personal attack against you which needs firmly addressing.