The outpouring signaled the end of “The Ellen DeGeneres Show,” a daily hour of daytime escapism that had reached its peak in less contentious times, when Beyoncé, Madonna, and Barack and Michelle Obama were happy to show off their goofiest dance moves side by side with the show’s star before an audience of millions. Fans blew kisses, made heart shapes with their hands and screamed the host’s name. In the days leading up to the finale, the ovations grew longer and louder.
