If you decide to allow War posts beyond the scope of business and marketing, they should put WAR in the headline.

If however, shouting matches become the rule of the day, you might want to reserve the option of revising the new policy.

I've been posting on other forums for 4 years, and have mostly been able to keep my hard right leanings off the business forums.

I'll still be here regardless of which way you and the group decide.