I think good, truly easy video editors are a dying breed. I loved Windows Live Movie Maker - rest in peace.

These days, I think it’s worth it just to learn a video editor. A lot of the skills transfer; I haven’t used DaVinci before, but I’ve used other major proprietary professional video editors like Adobe Premiere and Final Cut Pro - the skills transfer. Just search how to do a thing you want to do a few times, and you’ll find it gets easier.

As others have said, I think KDEnlive is quite good; I haven’t had a huge amount of stability issues. From what I remember (granted, I may be out of date), OpenShot felt really jank in general; I used Shotcut for a while but had stability issues and UI annoyances. Comparatively, I enjoy KDEnlive.