That is ignoring the vast majority of usage. Read about what professors, teachers, etc. are saying about its use and you will not hear it being used as tool as the major use. Everyone claims they are using it as a tool, but most people are using them to outsource thinking, unfortunately. Which is highly problematic when the outputs of LLMs are highly wrong much of the time. You need to use the same skills to evaluate the output that people are outsourcing away. Tools like calculators at least do their tasks correctly as long as your inputs are correct. The same is not true of LLMs. Moreover, people are blindly trusting the LLMs to a point where they are completely stuck whenever the LLM can’t do something or are wrong

Tools like calculators do not take away your ability to think logically, just to do route computation. Research is still emerging, but suggests long term negative effects on cognitive abilities from high LLM use

Also: Regardless of if this graph is caused by schools getting out or not, it’s still very highly used in schools.