You do this all the time?
> I can name several simple, practical, useful things an iPhone can't do --- not because Apple can't do it but because they don't want to.
Name them. We have plenty of electrons.
> I made the mistake of showing an Applehead how I could use a Windows PC to archive photos from an iPhone to a memory card and free up space.
Were they using iCloud Photos? Did they want to same physical space on the phone (could’ve used “Optimize iPhone Storage” in Photo settings), or did they want to not pay for additional iCloud storage?