The wilderness bosses create multi activity (which would probably be none existent otherwise). Yes it's Pkers killing PVMers but so what. People do it on OSRS, and eventually the Pkers Killing PVMers meet other Pkers.
Can be fixed with
- Hard/Extreme/Ironman Modes
- Again other stuff I already listed in my above post (would place more value on doing the bosses.
I actually disagree on this one. In terms of missing (Important) Content I wouldn't say there is a great deal, and even then it will still be expanded on. Just because another server is ahead right now doesn't mean they will always remain ahead. There's only so much content you can add, specifically the important stuff (Bosses/Skills)