We shouldn't be. Barring dominance by some fundamentalist group, be it religious, cultural, or political, humans have had piercings and tattoos. I like that fact that it is no longer countercultural to adopt these basic human expressions.
Tattoos are frowned upon in most cultures in the world. It's not just "fundamentalists" (whatever that means). And who cares about "human expression?" If you need to "express" yourself, write a book or something where the rest of us don't have to look at it.
America would be a lot better if people thought less about how to “express” themselves, and more about how to keep the social environment around them tidy and orderly.
It's true, I'm expressing support for the Yakuza, and helping them tear down the social fabric of western society. That's been the left's plan all along.
