Answer 1) I used to camp orcs outside of Freeport, it was a lot of fun, it was also extremely dull and exclusive, not inclusive. It didn’t bring the community together, it caused short term cliques. Sure, those guys where your friends for a while, and you might hook up with them again down the line, but they’re just as likely to have nothing to do with you later, or to outpace you so significantly that you’ll never interact again.
Having special ways to get around whole controlled by specific classes and therefor only a fraction of the population is also not endearing. Not when they have free range to charge exorbitant prices for the “service.” We have this to a small degree with Mesmers, but it’s kept in check by their inability to define who can use their portal and who can’t.
Answer 2) What the community needs is more RP features. Give the ability to interact outside of combat and it will actually make a difference, even to people who don’t RP.
Answer 3) I’m content to be a solo player, so I don’t know. I’ve always been in a guild, but I’ve never needed one particularly.
Answer 4) Jumping Puzzles, Collections, Projects that take materials from all over the world and doing missions and other activities in order to complete. I loved Mawdrey. I’m working on Bioluminescence now. I’m especially looking forward to the new Legendary Masteries.