Those are great aspects of email, and I certainly wouldn't want it to go away. But that doesn't mean it's the most effective or efficient tool for all use case

Those are great aspects of email, and I certainly wouldn't want it to go away. But that doesn't mean it's the most effective or efficient tool for all use cases. Like the GP, our team switched to Slack some years back, and our email volume dropped to near zero, while quality of communication went way up.