Some divers are as*&^(#s

Today I've seen couple of divers entertaining themselves. I do not quite understand the fun, because they were floating at around 3-4 meters below water level. The pics they took at this depth are about the same as mine. One thing was different: I do not have motivation and do not want to waste oxygen in my lungs collecting corals. A lot of them had both.

Like this guy:


I always put 2nd and subsequent pics under cut, but as an exception for this post only the second is below.
Here is what is left after this guy:


And after all this ppl on divers forums complain about nasty snorkelers?