While it may be a really bad compromise, in your opinion, the single shared galaxy state (that all players experience and affect, regardless of game mode or game platform) has been part of the published game design from the outset - and the game was successfully backed with this feature in place (alongside three game modes and mode mobility - to allow players to choose who they want to play with on a session-by-session basis).
As to 1, 2 or 3, here are some relevant quotes:
I bough game on Frontier store, few months after release. Before I bought it I don't know how internal game systems work etc. (except that multiplayer is based on p2p). I like Elite but in my opinion few things could work better. Even if this aspects of games are properly described on Kickstarter it doesn't mean that it could not be improved somehow, just look at it and how hot topic it is. The sentence: "Who stand still is to move backwards." is the best to describe current situation regarding Open/Solo modes.
For example if you create company called Stinky Taxi and you client complaints of that bad stink you should change even if it is core aspect of your company