The TIOBE index is just reflecting search queries. If someone is familiar with a language, they would be searching about a specific framework, using LLMs/AI agents, and working on projects in that language. Those won't be reflected in the TIOBE index.

Nit: TIOBE measures search results, not searches, specifically results for "Kotlin programming". But you're correct that it's a terrible metric for many reasons.

https://www.tiobe.com/tiobe-index/programminglanguages_defin...