You have the exact history here:
https://en.bitcoin.it/wiki/BitcoinTalkIndeed bitcointalk.org didn't exist prior to 2011, all the topics were moved here when the domain was registered.
As for the other things on that Wikipedia page...triple facepalm

Bitcointalk is a controversial
here is a demand for more privileges for older user accounts.
Traded accounts were reportedly used to scam people.
The same person "theymos" owns r/bitcoin on reddit which heavily criticized for censorship and personal attacks.
Half of that page is
about theymos.