We did work with DHS and notify all the parties ahead of the press release. We also remember carrierIQ ! We have a comparison table here:
http://www.kryptowire.com/adups_security_analysis.html
I wonder if many security researchers know to routinely shop their findings to multiple agencies independently. It doesn't seem like this is common knowledge.
The FTC, in contrast, is a consumer protection agency. They don't kick down doors and they don't arrest people.
And yes, many security researchers have shared their prepublication research with the FTC.