your posts attempt may have been to make them look bad to increase your own status in the hierarchical structure but all it achieved was making you look like a unreliable and untrustworthy associate within the organization
if you see happen in the meetups that upsets you take it up with the people involved, don't drag that mud across the thread not only do people not care about that they also will be nettled to see someone acting like a jerk to people who frequent the meetups