I'm not talking about you specifically. It's all over the internet now. People are just ignoring the fact that when crazy wants to kill, crazy finds a way to kill.
When crazy has easy access to high powered assault weapons...
The Bushmaster .223 is not particularly high powered. In fact, it's banned for deer hunting in many states on the grounds that it’s too weak (i.e., it won't take down a deer quickly). It's basically a small game rifle.
People need to understand the difference between full auto and semiautomatic.
The versions of this gun that the military actually uses are able to fire fully automatically, meaning that when the shooter holds down the trigger, the gun sprays a continuous stream of bullets. This high fire rate makes the military version of gun hard to control. So the weapons use smaller bullets to reduce recoil. The use of smaller bullets doesn't really impact the military use, because the whole point is to "spray" a target.
But the "assault weapopns" that are widely available for civilian use are not fully automatic. These features have been removed. As a result, you are left with is a gun that was designed as a machine gun, and still looks like a machine gun, but functions like an ordinary, and often low-powered, rifle. Basically, a "kewl" looking hunting rifle for small game.
Yes. It's still a gun. Yes, a gun can still shoot a person. But if the left is being honest when they say they don't want to ban hunting rifles, then they wouldn't ban this one.
Furthermore, since deer rifles (including all the semi-automatic ones) are typically more powerful than the Bushmaster and similar "assault weapons," you can’t ban more powerful guns without banning many deer rifles, something most of the gun grabbers swear they don’t want to do.