That’s good to hear!
I just tried Byobu in Konsole on Plasma 6, and it did not go well, so I can definitely see why your impression wouldn’t be great.
I’ve not watched their videos, and originally found it really easy to work through the keyboard shortcuts, but some combination of KDE and Konsole just eats up all the key combinations. If this was my first experience, I would have bounced off immediately.