This Saturday was dubbed “National Cinema Day,” in which theaters around the US cut their ticket prices to $3 in an effort to keep bringing people back to the movie theater. And it worked! More than 8.1 million people went to the movies on Saturday, Variety found, compared to 1 million the day before and 1.7 million the day after. National Cinema Day brought the biggest crowds to theaters of any day in 2022, which leads to one inevitable conclusion: people will go to movies when…