All of these sound like value judgements and opinions. You claim they make people dumber but the evidence is that using an LLM to search the Internet requires less brain usage? Of course it does, that's the point! Using a dishwasher also uses less of a our brain than washing dishes by hand. I will use my brain for other things.

And whether LLMs are a "good" use of electricity is purely a value judgement. I'm not a fan of cars and don't drive, and a single car ride can use more energy than every LLM query made in a year by most ChatGPT users. But I don't think that makes people who drive cars evil