Work experience staff handling immigration?

The Public and Commercial Services Union might be on to a winner here. Apparently, the UK Borders Agency is taking on up to 7500 work experience staff whilst at the same time looking to cut 7000 from its employed head count at the UK Borders Agency.

Now, don't get me wrong, saving money by cutting head count is an a no-brainer. However, you're probably on shaky ground if you claim roles are redundant whilst at the same type taking on short term free labour to carry out,

"immigration enquiries and correspondence, include dispatching immigration decisions and documents back to applicants, and data entry of applications for all foreign nationals wishing to enter the UK."

What's more, should we really be taking on free work experience staff to handle matters of immigration when immigration is such a hot potato issue?

The mind boggles at this one.