In the Dune universe, when a laser weapons hits a shield, both are destroyed in a nuclear explosion reaction.
So instead of building nuclear weapons, wouldn’t it be easier to tie a timer and a “parachute” to a laser gun and drop it from orbit onto your enemy’s city?
Yeah but how many spice harvesters are they losing and how much do they cost
Irrelevant to the Harkonnen as long as they meet their quotas.