people who prefer gouda over brie.
THOSE MONSTERS!
In serious, I classify things like this as "in poor taste" if there's actual malice intended and/or conveyed. This game sounds to me to be more like a physics simulator on a very common and almost mythical physics problem: the magic bullet. Not something that's insulting JFK's memory or something ridiculous like that.
Ostensibly, it's supposed to "prove" that Oswald was indeed the shooter from the warehouse like the official story is, by letting players make the shots and seeing if they can replicate the exact events. It has really nice bullet physics and you can trace the path of each individual shot to see how it ricochets and where it hits people.
In practice, people often shoot the driver of the limo so the it careens out of control and enjoy the lulz.