So, if everything you just said is true and you rarely every PvP in this game then the issue of combat logging does not effect you. Since we have gotten that out of the way, why are you posting in this thread?
Ah, but changes to the game DO affect me. That is the crux of the problem, by trying to stop combat logging in Open you may be affecting players in unrelated ways, for all the reasons already mentioned.
There seems to be a general agreement that no-one should tell someone else if or how they should play in Open or Solo (although there are still some that seem confused by the choice of modes).
I may not combat log but that doesn't mean I should lose the option to do so.
Everyone will have their own definition of what is, or not, acceptable gameplay.
If a wing of goon pythons interdicted me and I am in a full Type 9 I might feel quite justified in using any means to evade them, including logging out. If I was in a combat ship or a hauler or if I started the fight then I might think it unacceptable to log. I also accept other players may not agree and would make different decisions for themselves.
Now, some would say "don't play in Open, then" but that assumes Open is only for PvP, which is not the case from my experience so far. Of course, by playing in Open I accept the risk I might get interdicted by a player but (to me) that is not the same as consenting to an unfair PvP fight to the death.
My values may not be the same as yours. It would be wrong of me and bad for the game to force my values on you and vice-versa. The game designers have catered for varied gameplay and players by giving us choices including the ability to group ourselves with players who share similar values when we want to, and move freely in and out of Open play when we may encounter players with a different set of values to our own.
Devs will constantly rebalance the game, they may even find a way to stop or deter combat logging (or may consider the current reporting provision sufficient), but it is unrealistic to expect them to change the core design of the game.