To be sandboxed or not to be sandboxed? That is the question. In my opinion, the smaller the sandbox is, the better. Just because ThinApp offers the sandbox functionality, I can see no reason to sandbox everything. I use the sandbox when there is a true design or application functionality reason to use it. However, client design reasons could dictate you to store as much as possible in the sandbox. You may not have a profile management tool in place or you have the need to keep the client environment absolutely clean. For you to able to revert your package into a vanilla state by simply deleting the sandbox might also be a reason.
All are very valid reasons for keeping as much as possible in the sandbox. You may not have profile management in place or the need to keep the client environment absolutely clean. Both are very valid reasons for keeping as much as possible in the sandbox. But if you already have a profile management tool in place, or simply have dedicated...