The enduring popularity of the episodes in the 101–110 range stems directly from a strict adherence to a specific narrative formula. During this production era, the series perfected the "casting couch" or "unwitting amateur" trope.
In the United Kingdom, professional representation is strictly monitored to protect consumers from financial loss and identity theft. The Financial Conduct Authority (FCA) and the Solicitors Regulation Authority (SRA) maintain comprehensive databases to track legitimate professionals and issue alerts regarding unauthorized actors.