you don't need chat gpt to write professional sounding emails for you, there are many many guides on the internet and with a bit of practise you can learn to write them yourself. a very important skill for a professional to have, and some of the basic rules will carry over into irl conversations!

you don't need chat gpt to be a "more detailed search engine", because you're robbing yourself of the chance to learn how to find and filter information on the internet and evaluate the credibility of sources. which is a VITAL skill. plus, chat gpt is notorious for being wrong?

if you use it to write essays, you're taking away your ability to hone your research skills, your writing skills, your critical thinking skills. your ability to create persuasive arguments!

and for most of the other reasons people use chat gpt, there are non-ai websites for that! for maths, wolfram alpha. for figuring out what you can cook with the ingredients you have there's supercook and the like. for creating routines, there's about a million apps!