I was unpleasantly surprised to learn that when the launcher wants you to log in again, you get kicked out of the game. I’m glad I wasn’t in the middle of a fight when that happened.
That seems like poor customer service and design. The launcher could simply require the player to log in again the next time they want to start an EVE session. Kicking them out of an on-going session of play simply because a timer expired on a cookie is really showing how little CCP wants players to remain a part of the game.