In my Ottoman game, I kept up with Europe in tech, owned most of the world. I had no idea about Scandavia or the Americas even though I had fought both areas in war. Wanted to take maps? oh wait, I can't. I have to have a unit next to the area to steal the map for the area. Couldn't get to America. Couldn't get into Sweden to have the unit next to the area I needed with out taking out 3 forts on the edge of the fog. I want to buy a map? Nope, wont let me. Really what's the point? With the spread of discoveries borked this patch, being able to take maps would be really nice but its one of those buttons (much like break alliance but that's another rant) that is there but simply is never used because there is no point to it. 99 times out of 100, you can't even get a unit to the area that you need.