~OP I don't think Frontier will ever remove these modes, there's no need to worry on this front.
I think Open IS the preferred mode for Frontier and for the community in general, it's the mode that unifies players, and I think player interaction is going to be really important for the long term future of the game.
There's totally no reason folk can't drop into solo if the mood takes them or whatever, as I say I don't think this mode is going away.
Sure people go solo for many many reasons, some people WILL be going solo for some of the reasons you state you aren't. Some of these folk have said such many times.
While I agree with most of what you say, you're missing the point of the post. 'Some' people isn't 'most' people and the vocal 'some' don't represent the OP, or those like him who aren't usually moved to voice their opinion.
Your opinion that open is the preferred mode is at odds with FD advertising and many of the interviews FD staff have given. When they make a statement it's to the effect that the three modes are equal; their advertising concentrates on co-operative play, offering a game you can play with friends. Neither the often stated instance that solo is as valid as open, nor advertising that suggests group co-op play is a major selling point of the game, suggest that open is the preferred mode.
Assuming that the small number of posters on this board are broadly representative of the wider community I'd challenge the notion that open unifies people. Player interaction is really important, but that's available in group, in a far more palatable form.
Can't argue with your reasoning in OP, it's well said, and I agree and have largely the same reasons for playing in Solo occasionally. But the crux of the issue isn't really about why you play in whichever mode and any justification you make is unfortunately just as moot as any of the reasons anyone else claims to the contrary.
The issue is that the three modes share the same background simulation. Players who choose to be in the biggest shared mode still have to deal with the consequences of those who don't.
You said "I just don't want to deal with you." Well, the counter-argument would be "I just don't want to deal with your influence."
If you play solo or group you have to deal with the game's evolution currently being driven by concerns that originate in open. Crime and punishment is likely to be heavily revamped, group management is concentrating on defences against open players lying their way into private groups, ship balance is being driven toward traders better able to defend themselves against gangs of human piloted ships. These all affect players in solo and group much more than the irritation that open players feel when they can't get at the players undermining their faction in their preferred game mode. The character of our game is changing and resources are being disproportionally spent addressing open concerns. We (you) have far more real influence over solo and group players than vice versa.
As I've said before, I play in open, I'm not in the Mobius Group, solo isn't for me. But open players already get the lion's share of developer attention, complaining about a PP mechanism comes across as petty and unnecessary unless you can provide an example of an exclusively open group being beaten by an exclusively solo one.
If PP is your thing and not just a debating point, consider this. Even if PP was
only available in open, the players moving the most material would still win. Allocating a portion of your available force to interdiction is foolish, given the way our game works- different time zones, instancing, the potential for opposing forces to circumvent your interdiction using existing game mechanics to name just three. The 'solo' playstyle would always give better results, given roughly equal forces. Hanging around in warships looking for a fight when you could be transporting goods is a sure fire way to lose the contest. If you feel that playing in solo gives an advantage, feel free to take it. When I oppose you, I'll be in open. In spite of the greater odds of human interference I'm willing to bet that the contest will still come down to which of us has the better understanding of PP mechanisms and the more suitable ship, not the 'dangerous' mode I chose.