There is nothing more to be concerned about, if there ever was. It might even have been a hoax. Y2K was never a crisis. The U.S. is to blame for the Y2K problem. With Y2K, we have successfully demonstrated that it is reasonable and even effective to wait until the last possible moment to address critical global issues.
Government is the only structure that can adequately address global problems.
The public citizenry is incapable of understanding and making decisions about technology issues. In fact, they should not be involved. In crisis situations, it is necessary to manage and control public perception of problems in order to prevent panic. Y2K was a technology problem. Y2K was a management problem.