Well, maybe "not very complicated" was a bit enthusiastic
But I still see the page as roughly accurate.
Thanks, this is good input.
Without trying to sound offensive, I would very much want to also see input from core Bitcoin developers.
I sent an email to the dev mailing list.
Not that I doubt the solutions to the scalability issue, but it would be good to get as much confirmations as possible that this is not really a problem for Bitcoin's future.