I'm going to take one small phrase you wrote entirely out of context because I think there's a point to make.
I'm suffering from burnout at the moment and trying to figure out a way past it. I recently attended a 10-day silent meditation training and one of the requirements was to surrender all my devices (phone, computer, etc) and any other forms of distraction (books, pen and paper, playing cards). Basically, I was alone with only my mind for 10 days, unable to speak or communicate with others for the entire period. It was hell for the first couple days, but by the third day I was really starting to enjoy it.
As I've re-integrated my devices again, the burnout and stress has returned and I've lost a lot of the benefit I found at the meditation center. I'm already planning to go back to try to refind it and be much more conscious about reintegrating my devices afterwards. I'm starting to believe that, at least for me, burnout is an overstimulation, and things that I didn't even realize were forms of stimulation were contributing. But the biggest forms of stimulation, Internet, computers, phones and television are all things that I now realize I have to use incredibly judiciously.
I think we'll look back at this time, when we introduced all these devices into our society without any concept of the damage they cause, very similarly to the times when we used lead paint on our walls or asbestos in our ceilings. It may have seemed like a good idea at the time, but once we study the effect it has on our health, we'll be horrified.
P.S. On the doing nothing front, having spent 10 days being forced to do nothing but think in between the meditation sessions, it's really underrated and I wonder whether you've given it a fair shot. You really have to go days of doing literally nothing but thinking before it starts to give you any benefit. But once you do, you can just feel the stress melting away. The hard part is making it through the initial stage and then maintaining that benefit once you start to reintegrate with the rest of society.