From
Velonews [bold mine]:
"This was a difficult decision, not made any easier by our recent Tour de France success," Stapleton added. "We were in talks with a number of companies about the opportunity and were confident a new sponsor was imminent.
We have chosen, however, to end those discussions."
Tailwind spokesman PJ Rabice told VeloNews Friday morning
that the decision was not based on "a failure to find a new sponsor."
Sounds like there may be other factors at play rather than not being able to find a sponsor.
Yeah like, "We'll sponsor you if implement T-Mobile and Slipstream like testing"
"Err, then we won't be winning"
It was imminent btw, my very good friend spent a good part of the tour helping run a private big-wig tour for the potential new sponsors and when he finished he was pretty sure that tailwinds had found their sponsor.