Dont forget that you can see custom lobbies in a browser via sc2arcadeDOTcom (they dont like links in the forums). You can check open lobbies, and if you see the betacuck’s lobbies, you know to steer clear.
Right now i have it pulled up and there is nothing out of the ordinary. If there was, i wouldnt care since im at work (lol), but if i wasn’t, i would know that i would be fine entering the arcade