These are useful concerns. I’m thinking of where the concept of cloud might go. Some kind of Internet tied rent-a-resource where you can choose just how tight or loose you want your security to be, with prices to match.
In other words - Rent a garage, where the building owner “promises” he won’t let anyone into your stuff.
I do not trust handing over all of my own and my clients’ data to a third party.
It is a liability nightmare.
If my computer is hacked, then someone has made the effort to (first) identify it and (second) infiltrate it.
If the cloud is hacked, someone may well have simply infiltrated it - unless someone on the inside of the cloud gave them access.
In any event, I am held equally liable. I’d rather trust my own decision making.