So the 3 revised choices will be, solo no interaction+money (which some people will consider a bonus too), group/mobius which you can control your level of interaction+money, and open, pvp interaction+money.
You have that so wrong, it is funny.
All private groups, share one common thing you use to promote bonuses to Open - having to share.
I can, in ANY private group I play in, jump into a RES and there can be people there - so now I have to share, or move (just like in Open). Thus I earn less cash that play session for either messing about finding a RES without anyone in it, or having to share the spawns in one.
As for CZ, even in Mobius, I'm subject to PvP in there and also, the same share issue. I can jump into a CZ in Mobius and find 8 people on the other team, who'd you think is getting blown up first.... hint, not the NPCs.
In my other private groups, same problem of having to share kills or depleted NPCs to shoot and waiting on respawns.
So, a lot of "Opens problems" affect private groups as well.
So it can be argued, Groups should also receive any bonuses added to Open - under the same reasons.
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Show me where they promised all modes being exactly equal. To me it looks like they already broke that promise. What did/does open have over the other 2, race to elite, the Titan challenge, wings, 5% bonus voucher in wings. So it looks like FD isn't about equality like you think they are.
Also in Groups, not just Open