I tend to agree with you, but I had a situation where my mind was completely changed. I worked for a company in high school believe it or not that did not give

I tend to agree with you, but I had a situation where my mind was completely changed. I worked for a company in high school believe it or not that did not give mice to the employees, lots of data entry. They said the mouse would slow you down significantly and while I struggled for a couple weeks to learn everything and the hotkeys for the terminal/console apps, it became insanely obvious that operating a computer without reliance on the mouse was far more performant, and easier once I stopped fighting the urge to grab my mouse. I don't think it's for everyone, but I'm grateful for that experience.