Well asking for equality between the modes to "play your way" means you must be behind equal effectiveness between each mode's contribution. You can't stand for Equality only when it suits you, that's not how it works.
It is equal though,
1 kill in Solo, is worth 1 kill in Open.....
That is equal.
The benefits of Open, is you get to play with others, and "interact" with others (added risks from players, added rewards (if talking to strangers is rewarding to you) from players) - that is a choice YOU make at the main menu, if you choose to put yourself in a situation where your gameplay can be interrupted by others (or enhanced), that is nothing to do with anyone else, why do Open players want
MORE bonuses than that?
If you choose Open, you accept everything that goes with it - simple.
Me, I play in a private group, or Mobius - I'm not asking for any more bonuses over Solo players when I share a CG with others - it is part of what I signed up for by choosing that play mode from the menu, if I want a CZ all to myself, I go Solo.
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This actually sounds quite a bit like the Iron Man mode, which sadly also vaporized inbetween the funding and the release date.
This can also be done now - I suggested that people make a private group for Ironman (same as Mobius made a group for PvE).
But apparently, some ED players don't trust each other to be honest and own up if they die.
Last I heard, there were some players in Open, who if they die, delete their save and start again.
So, all in all, the tools are there for an Ironman mode to done by the community.