no more than a few items in school, assembled via s/ware or the occasional actual components on breadboards: in some class, (more likely Electronic Archaeology..)
Previous death of Heathkit era, which launched so many fledgling-EEs: seems now gone forever; I wonder how much of those lessons-from-errors will go ^Zoooom^,
as the new crop tries to troubleshoot: especially, sans any manual at all--via first-Principles.

Seems to me that this 'Progress' has arrived with some Losses in deep-understanding ... of what can go-wrong, go-wrong: Do I want one of these newly-trained..
Certifying that: this thermonuclear accident-safe fuze-design IS??
Y'know? One missing nand and ...