I write a lot on both WordPress and Google Plus, and Google Plus is way easier for basic authoring. Image uploading, post re-sharing, dealing with comments...all much simpler on G+. I still use WordPress because I prefer to own more important content, but I'm under no illusions about ease of management and writing.
"And businesses exist that will even make that as easy as filling out a form."
Which businesses? I recently migrated to one of the major dedicated WordPress hosts and it was anything but the trivial experience some make it out to be.
I've had a job where babysitting the hosting business clients was part of service description. Including things like custom WP plugins, and modifications. Dig that.
Must have been fairly lucrative at the time, now that I think of it. But it must have made sense for the client, as some of them I see are still hosting their business with that firm; that's a small sample and just a few years down the line, but are you sure you're not looking at the subject from inside your own bubble?
"And businesses exist that will even make that as easy as filling out a form."
Which businesses? I recently migrated to one of the major dedicated WordPress hosts and it was anything but the trivial experience some make it out to be.