Neither did I said that, rather that WebSphere does provide the tooling to create such sandboxes, provided one goes through the effort to create the application architecture in a way that those features at put it use.
It doesn't do magic if the users don't bother to use the tools put at their disposal.
It doesn't do magic if the users don't bother to use the tools put at their disposal.
This isn't sandboxing at click of button.