Correct - I wouldn't want to go to two devices, and the screen of the iPad is a bit small for me. To be honest, the form factor and advertised function of the SB are perfect for me. If my SB was reliable, it would be perfect. Unfortunately, reliability is the most important feature to me, and that is where the SB falls down.
I have not reinstalled Windows, because I hate the idea of having to set everything up again, but I suppose that's the only thing left to try.
Worth trying a DISM rebuild as it is much less disruptive than a reinstall - I did this in March and my SB has behaved exactly as designed ever since...
How to use DISM command-line utility to repair a Windows 10 image