Rhyu Si-min has no connection to Roh Moo-hyun

Rhyu Si-min's actions are suspicious
The process of how he joined the Roh Moo-hyun administration remains shrouded in mystery
He did not contribute to the birth of the Roh Moo-hyun administration
Nor is he a symbol of the democratization movement
Even when controversies arose regarding him being a descendant of pro-Japanese traitors
Why did Roh Moo-hyun say he would rather abandon Lee Hae-chan
And choose Rhyu Si-min instead?