Lucas made a comment at some point recently about not wanting the East Village location because the Royals planned to build some kind of entertainment district adjacent to it. His point was that a new entertainment district would cannibalize some of the $$$ from Power and Light because they'd only be a few blocks away (separated by the interstate, but still not too far away). Given that Power and Light hasn't come close to revenue projections and the city has already spent $150+ million covering its debts, his point is understandable.
And, Sherman referencing the "creative" people at the city convincing them that the Crossroads was viable probably includes Lucas because the odds of this passing if Lucas wasn't in favor would have been even worse.
Regardless, there will probably need to be some major adjustments to the East Village plan for Lucas to get onboard.