That's pretty optimistic. If Treasury converts the seniors to commons instead of exercising the warrants, they can capture all of the warrant value and nearly everything that otherwise would have gone to the existing common.
Treasury clearly doesn't think exercising the warrants will result in any liability more than $5B. Converting the seniors to common instead would increase that liability by 25%, or $6.25B max overall.
Capturing an extra $10-20B (or more) of value at a maximum cost of $1.25B is a no-brainer. At that point your thesis (and Ackman's) breaks down.
Why stop at $35? Why not $140 so that Treasury makes a cool trillion?
Bill was projecting future value as $45 when ggp was trading at $1.19, slide #49 & #57 5/27/2009 in his presentation….. “The Buck’s Rebound Begins Here” Cant post the pdf here