Comment Security mostly (Score 1) 450
Anytime I have seen them, the user requirement for a computer such as a call center was minimal or a organization with very little IT staff so it helped with having one person to manage the clients and if one broke, swap it out quickly.
The big plus of them is forcing what your users can access, knowing their work space is secure, and controlling what comes in and out of the organizations network since the workspace is in a container.
Ya they are easy to mange and simple but with most of the SSL VPN devices out there now offering a similar controled desktop cache, the need for them is getting smaller and smaller.