You're right.

1.5 seconds is an eternity when you're already held at gun point, but that's not always the case, as you pointed out.

"[B]ut the only way to bring down crime rate overall is to get a more effective police force."

Not so. Concealed carry laws have been shown to be effective in reducing crime, along with increases in the number of people carrying. Kennesaw, GA is the Utopian example, with many other locations being less extreme yet very effective ones.