Tactical gear is used for serious jobs to take care of serious business. When duty calls, the individuals involved in military and law enforcement fields answer that call with the utmost professionalism.
Then there's the other side of the coin.
Those of us that personally know someone in either of those fields knows the sense of humor that comes along with the serious side. It's a necessary part of maintaining sanity in a stressful line of work. Mil-Spec Monkey Morale Gear exists to serve and nurture that not-so serious side.