Many things. Writing tasks are aided but it helps a lot with coding imo. SO and the internet as a whole is more infuriating than helpful a lot of the time.
Also ChatGPT can do a lot of basic logic and repetitive tasks for me. It helps get things going and saves a ton of time and effort.
Autocompleting my console.log statements with uncanny accuracy is already worth $10 a month to me.
It's hit or miss so I'm not surprised to hear from someone who sees more misses than hits. But when it works well I feel this rush of gratitude that I don't need to type everything out.
Also ChatGPT can do a lot of basic logic and repetitive tasks for me. It helps get things going and saves a ton of time and effort.
And that's not even mentioning GitHub Copilot.