I'll just stick this here.
Firm Sizes Market for Multi-Location Medicare Plans | ThinkAdvisor
The Problem with this article is it takes a retirees current situation, does not accounting for the what ifs,
Also I am sure the purpose of the site is to show the seniors the best possible financial outcome of retirement, It will probably resort to MA most of the time because then they can show lower cost of living making the site look good to seniors