AKs prefer to visit the Mothership with a tour group - at least for the first trip. For AKs whose tongues are tied by the mother language, it is safer to hide in a pack. And for many AKs, it is safest to hide in a pack of white people.
AKs really like being first. Nothing wrong with that. Who doesn't like being first in line, first to see a popular show, first to travel to exotic locales or first to be successful?
Every AK group in every country in every city is the first of its kind. And then there are the first conferences and first forums and first panels that feature first-time topics by these organizations run by and for adult AKs. (I used to sit on the board of one.)
Adopted Koreans love to create new names for themselves. It's a symbolic rebirth. They create them as a sign of liberation from their white adoptive parents and to connect with their newly found Korean roots. And in some cases they change them because, well, it's hard to be an Asian in America with a last name of Smith.