I'm not sure that's "T shaped" as much as it is "cross functional", which can be done without requiring anyone to know about anything outside their silo, as lon

I'm not sure that's "T shaped" as much as it is "cross functional", which can be done without requiring anyone to know about anything outside their silo, as long as someone crosses silos and communicates. That's more of a systems engineering model, where a specific role forms the bridge and only the bridge, and specialists form the teams. It's a very Aerospace model of doing business.