What was the value proposition of this (and other services that are still alive)? We can already use git to store code in the cloud AND do so only when we want

What was the value proposition of this (and other services that are still alive)? We can already use git to store code in the cloud AND do so only when we want to. Was it the containerized environment? Even in that case why wouldn't they provide some sort of "dropbox for coding" type of service instead?