“The Germans also had a simple solution... you had to point the entire track at the target.”
That’s fascinating. Because a dual tracked vehicle can turn in place, verra easily. It would require more coordination between the driver and the gunner but I can imagine it was cheap and devastating. Lotta bang for the buck, as they say.
There are tactical problems with that as well - you can’t sit hull down in ambush with a casemate or hull-mounted gun. US turreted TDs could and did. The German vehicles also had a few other problems...
https://www.youtube.com/watch?v=cbQPtgwe6k4