ubuntu is easy to use and intuitive. I am currently running it now. ubuntu has been caught before attempting to sell user data to Amazon, though, via some shady pre-install shit. It has not be retracted, but, that should be reason enough for concern.
On my desktop I use gentoo and, yes, while complicated and, yes, you are correct it can be dangerous to put powerful distros in peoples hands who do not use them there is no denying that gentoo is with out a shadow of a doubt secure and totally free and open source out of the box.
OP: My suggestion to you is to Either start with Ubuntu, or, Linux Mint (Or if you are using a toast use lubutnu) and use those distros for a solid year, or, two. Do not shy away from the terminal. Live in the terminal. Breath the terminal. Do everything from the terminal. Watch some youtube videos about linux basics; basic commands, how the filesystem works (hint everything in linux is a file) and just live in the enviroment for a year or two. After you get accustomed to linux switch to Gentoo, or, Arch linux, or, Slack and build it from the ground up. That's what I did and now I barely even touch the surface net, lol. When I do reach out to the surface net its through a docker container over lokinet.