If you're in the safest country for cyclist, then you don't need a helmet as much. Is that not obvious? If you're only separated by cars by a line of paint, you might want as much protection as you can afford.
I laughed so hard at the highlander reference. It might just be that you gotta know the specific meme and culture to enjoy it. Even YouTube Linus didn't know the reference.
Seeing the two Linus's pulling out katanas on each other was hilarious.
Why's that guy holding a whip?