Do "Eyedropper driver" and "Eyedropper Data-Block" work?

Support Basics & Interface
1

I press on Eyedropper driver but nothing is happening.
Also Eyedropper Data-Block is unactive.

Driver Troubles Combined
Driver Troubles Combined1251×476 187 KB

2

Doesn’t seem to work :thinking:
But if you “Show in Drivers Editor”, it works there.