What it reminds me of is the old pitch process for timeshares.
"All you have to do is sit through this interminable exciting presentation, get your free tchotchke TV, and that's it! No obligation whatsoever!"
Right. People signed on the dotted line just to get out of pitch purgatory. And, if they didn't sign up right then they were quickly ushered to telemarketer hell.
So, this large (troubled) credit union is hosting an event for credit unions to discuss mergers, free! Do participants also get a free t-shirt with a target on the front just for attending?