How can I configure macOS' Finder in a way that I can move (not copy) files via drag & drop to another drive without pressing Cmd?
I'm transferring files to a network storage on a regular basis and pressing Cmd all the time is a bit tedious.
This is not possible when using drag and drop between drives as of macOS 10.12.x Sierra.
There is also no known method to change this behavior.
Instead you may use these keyboard shortcuts: