Zach, the point about the revolution re the earth and sun was just a hypothesis to make a point. And it is as you admit, that there is no absolute frame of refrence for the universe. (And yes, modern medicine is good, but general technology has not improved the lot of mankind.)
Charlie, Israel’s life expectancy is about the same as American Caucasians. If you want to see the mess caused by socialized health care, see Canada and its wait times for medical specialists (and how Canadians — as well as foreigners from around the world — run to the US for medical treatment.)
Re Rabbeinu Avraham, there are serious questions regarding the authenticity of the controversial passage, as the OP noted.