Eye, Shipmate! T'was said well and true. While all the while we 'ave our merriment, Lo t'would be for a mishap with said weapons. Be safe first and fun t'will follow.
As for dress in heat. When serving aboard the "Meka"II, in Battle my garb is Slops, belt and charge pouch. Small arms are handy and nearby and "Slowmatch" our Powder Monkey is always there when you turn to call him! With Charges!! Period footware is nothing, as hard sole shoes will be like walking on ice. It's the same with rope sandles. Traditionally, Sailors often made shoes out of old sail cloth as they had some "non-skid" to them. Other garments were more often "Shore Togs" and not worn aboard ship.
Aye it only takes "one" to becalm an event. I have been weapons Marshall as well as black powder Marshall for several events and it is amazing who has weapons and shouldn't.
We need to police ourselves and watch each others back.
NEVER drink if your hired to do a job, cardinal rule number one. Plenty of time for that after the event.