All kidding aside, it is hard to imagine what he thought he was doing, if you were at 15 ft, and had just completed a safety stop without any probloems. I probably wouldn't 'go off at him' about it, but I would certainly ask what he was doing. Out of curiosity,. what was the minor equipment issue? Was it related to your inflator?Has anyone had that sort of thing happen? It struck me as mighty strange. The DM was a very nice guy otherwise and I didn't want to go off at him, so let it slide.
Like several posters, I do not want / allow / tolerate boat crew touching my gear without permission.