He is indicating that this will likely become a heated conversation, and some people will want to get a bag of popcorn, sit back and read the comments of the usual people who will wade in with fore and against arguments, slag off the lounge agents for enforcing the rules, and BA in general for having a terrible lounge and status policy... yada yada yada...
Ignore it and continue with your new venture into the world of Flyertalk.
Welcome to the BA Board!
Regards,
BBB