Here's some quotes about this "blockbuster" tenant.
"there always has been a question whether the company was serious about moving anywhere"
"There also apparently was a problem with the city's 1 percent tax on corporate income"
"The firm gave One Kansas City Place, downtown's tallest building, a stringent architectural review to the point of planning a backup power generator."
"The company, which has shopped itself far and wide for several years now without making a deal, has suspended its search for a new headquarters indefinitely."