That "hosting" button merely suggest some hosting companies that have the minimum requirements for a WP website and which get good feedback from users. That's about it.
WordPress is nothing more (and nothing less) web software that people can use when they don't want do (or cannot) build a php/css website with a database themselves, a bit like Microsoft makes software for people who can't make text editors or spreadsheet software. If someone uses a Microsoft program to republish something copyrighted, I don't suppose you could blame Bill Gates for that.
Bladsvs definately is the company of the person listed as contact for Michigann.com. I don't think it is likely that someone would make such a crappy and standard WP blog if (s)he hosted it him/herself, so maybe your're lucky.
Yep, the internet is available for everyone and anything can be stolen. It's a pain, but there's little you can so against it.
Good luck with your efforts.