Think of it as a board game with nigh-infinitely deep mechanics that you don't need to fully understand to enjoy. You can hop in, do some basic map-painting and feel good about yourself, and then one day you look a little more closely at a menu and realize there's an entire other mechanic you've never touched that lets you squeeze just a bit more efficiency out of, only to realize there's another, and another.
Paradox games are tar traps for nerds in the best possible way. The kind of people who are good at these games make those people who play Dark Souls on a banana look like amateurs in sheer nerd-dom.
Never would've happened. Western capital saw the vast natural wealth of the Soviet bloc the way a starving wolf sees a steak, and were never going to allow the new Russian bourgeoisie to join the West as equals. When it became clear that Russia wasn't going to sell itself out to foreign capital, the West responded by violating every agreement they'd made with Yeltsin to bring about the end of the USSR and isolating them.