Not really. They are human beings. They have been known to do things like break their backs while hot dogging in Mark Vs. Shit does happen, and when it does, it is usually at the worst possible moment.
Of course we are all humans, but these humans have gotten specialized training in the water. Sometimes they will do hot dog things, and sometimes it may result in a problem for them. That also stems from youth & a sense on invincibility. There is absolutely no indication that was at play here at all.