Occasionally there are films, TV shows or memes that capture the collective public consciousness and take on a life of their own. During lockdown, it was zoo underworld documentary Tiger King. This year, it's Baby Reindeer. Since its release a month ago, nearly 60 million people are thought to have watched the show and it remains in Netflix's top five. While the storyline was the topic of conversation initially, the aftermath has become another beast. And it's still unfolding.