But no internal calls? That's crazy.
No, I don't love calls, but I also don't love spending days on email threads when we could have a 30-minute conversation with all the stakeholders present (along with all the non-textual clues one gets from talking in real time to another human).
Is asynchronous communications sometimes a positive? Yes, sure. But it's also a big negative when you just need to discuss an issue, make a decision, and move on.