What effect will Pokémon Go have on the November elections? Could the Pokémon craze—an estimated 50 million-plus downloads in the U.S. alone—tip the House of Representatives in the Democrats’ direction? Does the Supreme Court’s makeup for the next 25 years depend on whether young people will be too busy chasing Wigglytuff and Exeggcute to vote?

The question is worth asking since researchers have just found that 53% of people at the Republican National Convention were lured there by imaginary Pokémon creatures. Experts now...