Because you don't have the guts in real life.

This game combines the two greatest things in life - base jumping and immortality (or the 'reset' button) and packages them into a simple yet addictive little time waster. Start out as an amateur and you'll get the hang of things, then move on to the professional version and prepare to find out what terminal velocity does to a little trash talking orange dot.

Elite Base Jumping. (Awful Games)