Yes, but one of those things is capable of a lot more damage in a much shorter amount of time.

You’ll also have a hard time knifing people from a window with a wide vantage point.

Knives are dangerous, and evil people will be evil. But should we just hand out rocket launchers on the side of the road because knives exist?

It’s an absurd suggestion, obviously. So is “knives exist so guns are fine.”