countdown to a Mod merging with the mega solo vs open thread in 3..... 2..... 1.....
anyway, to be slightly more constructive, in reply to your points:
1. Making high security sectors mean something in terms of police response etc... is needed (and apparently coming soon), but I don't see that as an open vs solo issue. PvE / Solo players should be just as much at risk in anarchy systems from NPCs as open players are from both NPCs and other players.
2. please don't open up the offline can of worms again. As others have said, the way FD have designed the game does not allow for it.
3. New communication tools - I don't think you'll find many solo players objecting to that, unless of course it sucked up huge amounts of dev time
4. see 1
5. Already in place e.g. trading wing bonus. I have no interest really, so I'm not 100% but think it's 5% of the profit. Personally, I've no objection to similar levels in other areas (if they're not already in place). Much more than that small bonus though and it feels a bit too forced and unbalanced to me. I'm sure there's lots of players that would object to even that small incentive.
6. personally I can see how it could be a lot of dev work for not a huge amount of gain, not really in keeping with ED and possibly open to abuse if you're thinking of e.g. kill player x missions
The fundamental response though is as others have said: why should others be forced to play the game the way you want them to?