Apple COO Tim Cook on their relationship with AT&T during Apple’s earnings call: “I think it’s an excellent relationship and we’re very happy with it.” So I guess the jabs Apple threw at WWDC 2009 were friendly ones.
https://gizmodo.com/apple-made-a-lot-of-money-as-traditional-ipods-march-5319722
Answering another question about the iPhone being constrained by carriers with limited capacity (read: AT&T) Tim Cook replies “without talking about specific ones, I see them making more investments to have faster networks and see them being very happy about” making more money. Mmmmhmmmmm.