Gun Control Debate - The police are unjust, violent and oppressive, so give them a monopoly on guns

I really don't get it. This is supposed to point out the hypocrisy of the pro gun-control side, but what's the hypocrisy exactly? That you can't be pro gun-control and anti police-brutality at the same time?
I mean, what's the implied solution? That civilians enter an arms-race with the government?
That you need guns in order to protect you from the police?
Are the cops supposed to back down because you're armed and dangerous?

Because the entire left is one person