At your event, find THAT guy and invite him over for some real BBQ. Show him how to really cook BBQ, and you "might" make a convert. Always worth a try.
SNPP w/ mods, Patio Master(30 years old), Kettle Grill, Copper Penny UDS, and Maverick 73 thermo.
Youth and enthusiasm are easily overcome by old age and treachery.