If you are that pedantic you could also ask if he is living without a mobile phone, without a car and without any modern electrical appliance phoning home. So, probably him being offline is not to be taken quite so seriously.
I manage the Google Maps listings for two local Amish businesses, as well as send the occasional e-mail for them when a supplier or other business reason requires they use e-mail.
They offered to pay me for my time, but I refused as I'm happy to help my neighbors. They seemed pretty uncomfortable with me helping without anything in return, so they pay me back in discounted products or labor of their own.
I am not sure what is forbidden. There was a YT video about computer they were using for business. It was stripped down OS (windows xp?) that only had office apps, or something like that.
I'm not sure if payment is involved, but I've heard Orthodox Jews can and do seek non-Jewish help when they need e.g. light switches toggled on the Sabbath.