It's very hard to stop being their users/customers when they're the only platform where people are gathering for that particular purpose. The nature of walled gardens and network effects often mean that there isn't a viable alternative.
It's bad when the choice one has is between 1) using a platform that's significantly problematic or 2) being disconnected from everyone you'd like to connect with because they're only using that platform.
It's bad when the choice one has is between 1) using a platform that's significantly problematic or 2) being disconnected from everyone you'd like to connect with because they're only using that platform.