The quote is saying that digital computing faces cyber threats, which makes analog computing inherently safer. Not that analog computing faces cyber threats.
I feel like that's a silly claim though. If you have no networking, wireless, interface for loading code, or really any code at all, then of course it's more secure.
You're not doing the same tasks as a digital computer though.
Exactly. And the claim stands, that if you can effectively compute («model dynamic systems») through an analog computer, you expand your toolbox with items that are beyond a framework involving security issues. (Yes, like paper, but paper, while it helps the computer, does not compute.)
Another rephrasal of the concept they are proposing: "Don't be the man with a hammer" [not all problems are to be treated as nails - including the health and safety related concerns nails demand].
I've joked for a number of years that I expect to see boutique professional offices (lawyers, doctors, dentists, etc) springing up that offer 'paper records only' as a feature.
