Delves has a huge increase because it's a new thing in WoW. That's why you see a big spike in Google trends. If you see an article that claims "delves" increase

Delves has a huge increase because it's a new thing in WoW. That's why you see a big spike in Google trends. If you see an article that claims "delves" increase is because of LLMs, you can safely ignore anything else it has to say.