It has worked before. Back in halo 2 days, my division had a whole squad dedicated to a pro team. It was KSI MAGIC H2. The other squads knew they were good and they generally trained our Headhunters. They accepted only people who could beat them in a best 2/3 and they stayed on top of keeping the good in and the bad out. It is definitely worth a try I think. It proved it was worth trying back then.