As they say one swallow doesn't make a summer, so just because Ford may have used a TC on one model, the evidence from looking at virtually every other manufacturer the direct shift auto boxes are still favoured for for the higher powered vehicles.
lPart of the Vag group Porsche uses a DSG, I think that qualifies as a powerful car.
Reason Ford ditched the powershift was due to reliability issues, they and certain Vag DSG boxes gain a reputation for reliability issues.
There are a lot of DSG variants so one cannot generalise, it was some of the dry DSG boxes that gave the most issues.
It was Porsche that invented the twin synchro gearbox which for a sports car is ideal given the faster changes and response to paddle shifters.Part of the Vag group Porsche uses a DSG, I think that qualifies as a powerful car.
Reason Ford ditched the powershift was due to reliability issues, they and certain Vag DSG boxes gain a reputation for reliability issues.
There are a lot of DSG variants so one cannot generalise, it was some of the dry DSG boxes that gave the most issues.
The Touareg and other larger German derivatives are moving away from DSG and using TC on their more powerful beasts.