Sunday night’s episode of Last Week Tonight focused on senior citizens, a group John Oliver described as, “the people who stay active by playing shuffleboard, going on walks, or performing their hit song ‘I Can’t Get No Satisfaction’ in packed arenas around the world.” According to Oliver, 49 million Americans are age 65 or over. That number is expected to rise as baby boomers age in what is being called the “Silver Tsunami,” which Oliver claims is also Christopher Plummer’s stage name at “his underground cage fighting ring.” Senior citizens who don’t have detailed financial plans or family to watch out for them can frequently end up in guardianships, where a judge assigns an outside party to monitor their finances.

Guardianship, however, frequently goes wrong, and Oliver prepared a few jaw-dropping stories to prove it. According to Oliver, there are currently some 1.3 million active seniors under guardianship. Those guardians frequently take…