Just taking the piss in general, no offense intended. I think it's good to have shooting styles or disciplines that add the complexities of bearing weight/time/stress to show true skill. I was looking at getting into it myself till we were deemed not to be fit and proper to have such things. The comment was more in reference to the Tacticool market when you really need to open carry with your AR and tac rig to go shopping.In Finland it's common to wear a helmet when shooting TST division cos it's counted in the 12kg weight you've got to carry to meet the division requirements.
I'm likely over the 12kg without it (I'm not sure how much the borrowed plates weigh), but it doesn't hurt to have a bit of a margin for error, and it does give you protection in case you run into a tree, stage prop, or hit your head getting out of a vehicle.
No regrets with people calling it LARPing. H8rz are missing out!