I'll look at the team joining code again and fix that issue - I usually don't test with 8 players, but I'll get it done.
Ya, those chat messages were a whoops by me - unintentionally left and were used as my pseudo debugging...
I'm pretty sure I can set it to use either bomb site - I'll put a cvar there for you to choose the site - as well as a message to the terrorists which site they should rush to.