Ah, this is Earth history. He's not surprised that it's so violent. Humans are good at not getting along with each other until there's some sort of uniting event. Which sounds like, in this case, contact with aliens. "Sounds like the Vulcans were a positive influence. I'm not surprised."

He drops his hand from the display and wrinkles his nose. "I agree, those are ridiculous names. But I didn't listen to much rock music even before --"

The thought goes unfinished for a long moment while he decides if it's worth sharing. "When I thought I was human," he finally says, looking back at the show listings.