If you don't like using the Terminal use Mint, but even this one require some basics terminal skills that everybody could learn fast. Linux is made this way.
When you're beginner it's normal to not be familiar with terminal, that's why i recommend Mint as a first distro. What im saying is that We already have Mint as a beginner-friendly distro, we don't need Debian to be as simple as Mint, also they included non-free firmware in their iso it's pretty enough imo.
More difficult because Debian rely more on the terminal than mint. The terminal is not a accessorie like on Windows, it's part of basics Linux uses. In my opinion it's important to learn how to be familiar with
If you want Debian but user-friendly, just use Mint, Debian is easy enough to install. It's like asking Gentoo or Arch to drop a easy installer, it would break the point of using it.
https://www.youtube.com/watch?v=RN40sFDHQBE