It would be great to be able to support interaction with MS Python scripts.

GC locks any Mstn geometry that it manipulates. This severely limits its use compared with other visual programming aids like Dynamo, PyRevit.

MS Python seems a lot less controlling and more general, productive due to large ecosystem, freelly available code.

VBA is a dead end and Python seems to be the most popular replacement. C# is not as casual or popular as VBA or Python.