They don't seem to be helping much with difficult tasks.
Text editor? Easy. That used to be a rite of passage. Lots of people have written their own basic text editor.
3d solid modeler? It's always been difficult and AI coders aren't (yet?) up to the task. Most open source CAD projects that show up here are layers on top of OCCT (Open Cascade) which is pretty far behind what commercial geometry kernels are capable of.
Maybe it saves the script locally (invisible to the user) and reuses it if the user repeats the same request, the script is deleted if it's not needed for X amount of time.