What OS did you install? It could be related to their choice to install a cutting edge version of Ubuntu versus Ubuntu LTS (for patches that may resolve some of what you're experiencing).
With the RAM exception, my Framework and the author's appear to be apples to apples.
That's why this review confuses me so much; we appear to be using almost the exact same machine.
I had touchpad issues but there was a fix for it in the forums
With windows (I setup dual boot) everything works done. I had to tinker with Linux for everything to work how I wanted it. Which is what I’ve had to do with other Linux desktops too