But by doing so, they are losing sight of their greater mission, which was originally to provide seamless, easy-to-use encrypted messaging for everyone. To provide a service which was so easy to use that even brand new smartphone users could pick it up as easily as any other SMS client.
Now, it's still easy to use, but you can only use it to talk to a fraction of your contacts. Now you have to use two different apps to do what appears to be the exact same thing. 4/?