Scania was the first world so it was pretty big to start with, but as the main attractions left it got a bit boring, people left it to make money on the other guilds, there were tons of hackers. Scania was almost always hit the hardest, I'd say that Broa was probably the second most to get hit so hard by waves, Broa was around shortly after Scania was it was the 'let me be cool' server, they were never as good as Scania, but they had less hackers cause they had less cool people, never really "Wow-ed" anyone. Broa came along, people started moving there and KSing hacking etc.
That's another problem with Scania, there were too many KSers, making it a pain. To be honest I'm not sure a guild would ever thrive there, but if you can find a good amount of members to start with you should be able to pull it off, just grab like 2~3 H-S members if you can and then try and either get friends IRL to join or people ingame and usher them to the forums as well~!
It' a lot better if someone who's been around here a lot and is active ingame leads it, but I doubt there is anyone like that left, especially that isn't in a guild they're already in love with.