What do people love so much about Incheon Airport (South Korea)? I've been there at least a dozen times or more and never noticed anything special about it. It'

What do people love so much about Incheon Airport (South Korea)? I've been there at least a dozen times or more and never noticed anything special about it. It's better than U.S. airports for sure but wouldn't really imagine it as a top spot or even #2.