Exposing such infidelity is a crazy thing to do, especially doing it so publicly. Yet what else could he do? The pain the groom's actions did cannot be underplayed or ignored. After all, the groom did just find out he was about to marry someone he didn't really know or loved him as much as he thought she did.
The wife didn't just sleep with one man, but several men before her wedding day. To add salt to the wound, the men she slept with were all the groom's closest friends. Clearly he was heartbroken and love often times makes one do crazy things.