"They mean we're going to have fewer customers, which is troubling. But it may lead to stronger customers, which is good news," says Tom Fussell in a wide-ranging interview.

The commercial arm of the U.K. public broadcaster also touted revenue gains for documentary streaming service BBC Select, consumer products and cost discipline amid "market…

"They mean we're going to have fewer customers, which is troubling. But it may lead to stronger customers, which is good news," says Tom Fussell in a wide-ranging interview.