Because the marijuana dealer is a direct competitor to the us.gov controlled chinese fentanyl imports. Engaging an active shooter means you could get shot, which could interfere with the most important thing in your life: collecting your pension. Plus: What if it's a nigger? Do you want to get, "Chauvin'ed"? Because that's how you get "Chauvin'ed". Nobody gets fired for doing nothing. You just slow roll it and arrive just in time to be a little too late.