In praise of grobi for auto-configuring X11 monitors

I have recently started using the grobi program by Alexander Neumann again and was delighted to discover that it makes using my fiddly (but wonderful) Dell 32-inch 8K monitor (UP3218K) monitor much more convenient — I get a signal more quickly than with my previous, sleep-based approach. Previously, when my PC woke up from suspend-to-RAM, there were two scenarios: The monitor was connected. My sleep program would power on the monitor (if needed), sleep a little while and then run xrandr(1) to (hopefully) co