I mean probably because the scripting languages typically don’t provide the lower level utilities necessary to securely wipe files?

You’re not deleting files in a typical sense. You also need to scrub over those files so they cannot be put back together forensically.

You don’t really need to justify why you want to use Windows in this case.

You use Windows because you want to, That’s reason enough.

Any further justification just provides points for folks like this to latch on to