Yeah, but the old guy don't have many of those (good or bad) days left.
Bouncing and old man off concrete and Tasering him might have or will shorten that time. For what, a simple expired inspection sticker.
Cop should have handled it differently, but he chose to go the "You Will Respect My Authoritah" route.
And really, what possible physical threat could an elderly man pose to this cop? I mean, besides his ego!
“It’s a Cop Thing; you wouldn’t understand” is what his defenders will say or some variation of it.