I explained a lot of times how this is unfair. You never did explain why is it fair to you, aside from the "I don't want to interact with other people, but I still want to get the value that the community give" moot.
Please, tell me how it's fair.
He isn't competing with you. He is playing the game how he chooses.
YOU are choosing to FEEL that he is competing against you. Your choice to feel that way, does not represent 100% of the players, regardless of what mode they are currently playing in. Open is a choice you make if you wish to interact with other people directly. It is fair, because you have the choice. I am certain there are other Open players out there who don't ever feel disadvantaged by the mode they play in; other than occasional Combat CGs where the lag becomes unplayable.
It is fair because it is fair! You get to choose how you want to play. You cannot see someone walking on the flat, decide to run up what you believe to be a steep hill and then complain that the guy walking on the flat isn't sweating.
You could walk on the flat too, you chose a path you feel is steeper. The really great thing is other people will choose your path and view it as being as flat as the first guy's path and barely perspire.
It is only you who is seemingly self-inflicting a penalty on yourself and then complaining that you made what is in your opinion a harder choice than the next guy. I don't think I can clarify it any more as I am terrible at MS Paint.
If a side angle of your unhappiness is "I can't win CGs in Open", not everybody can be a winner. You see the same names over and over again at the top of CG charts, as those individuals have the time to devote to CG and the game knowledge to min/max their time. Even if you somehow forced them to play in Open they would still be successful, as they have more time to devote to collecting pixels than you do.