Let's not forget the issue of security.  Do you really want highly confidential information left on display in the kitchen of your remote DBA while he runs to help a child with a cut finger?  The simple fact of the matter is, people will have a more relaxed attitude to security when they work from their own home, because it is only human to believe that home is the most secure place on earth -- by definition.

There is still no affordable and 100% reliable way to guarantee that when you see "Bill" remotely logged in on a server that it is in fact Bill sitting at the screen, whereas if Bill is in the office and you've implemented physical access controls, you just go and look.