The issue is not with Linux not being easy to use. The issue is politics.
Most of the people use their PC for browsing. Throw Linux Mint or Ubuntu on the machine (that’s the hard part for casual users), press firmware install if your wifi is not working (connect Ethernet cable), press update prompt. That’s it.
You press on Firefox, you are on the Internet. THATS IT. I installed Mint on many old laptops. If you have problems, it’s because you are tinkering around with your system. That’s on you. Many casual users only use their browser.

I installed Mint and Ubuntu on many laptops. Elderly people I installed them for, never had any problems, even after me explicitly asking if they had any problems. Press power on, press Firefox, press power off.