The vast majority of Crossfitters are not at a level of physical fitness and mental toughness that would put them at risk of rhabdo after a WOD. They'd throw in the towel long before "meeting Uncle Rhabdo" under most normal circumstances. However, certain external factors can affect the risk - high humidity, heat, improper hydration, and poor nutrition can significantly increase the chance of catching rhabdo from a w…
When you're working out with someone who you barely know, or may have just met, who doesn't know what to expect and doesn't know their own limits, and is trying to keep up with everyone around them, you have a recipe for someone pushing themselves too far to a dangerous extent, whether the outcome is rhabdo, a tear, or some other injury. Most desk jockies (myself included sometimes) don't take the proper care that you need when you try and start moving a body that sits idle for 8-10 hours a day.