He was aiming a gun at law enforcement? That’s a dangerous thing to do... and I’ll bet the officers were yelling out who they were. This does NOT make the case against gun ownership.
There’s no evidence he was waving a gun at them. They had sunglasses on looking in, and it sounds like the “big gun” was planted by SWAT. You didn’t watch the video of the jackboots beating down the door without identifying themselves, did you? Their “siren” sounded more like a few second car alarm.
Every encounter with law enforcement, no matter where, no matter when, is potentially deadly. Stay unarmed if LEOs are involved.