He didn't go around stealing trees and gifts. No, he now travels around looking for signs of Christianity in small towns, and threatens lawsuits on the grounds of something that was only mentioned in a single letter written by Thomas Jefferson, referencing keeping government from regulating religions.
Seriously, people. If a small town has a tradition of a particular Christmas display, odds are that most in the town are in favor of said display. Stop spoiling other people's happiness just because a small group can't be happy, and can't stand that other people are.
Ever notice how the most violently rabid fundamentalist evangelicals are either Muslim or atheist?
1 hour ago