What do you think about would-be parents learning parenting skills on "practice babies"?

You can read the details here: http://www.npr.org/2011/01/06/132708047/practice-babies-an-outdated-practice-discovered

http://rmc.library.cornell.edu/homeEc/cases/apartments.html

An excerpt:
“From 1919 to 1969, college home economics programs around the country had so-called practice houses or practice apartments where young women learned the domestic arts: cooking, cleaning, running a household.

The college students learned mothering skills by caring for ‘practice babies’ — infants lent by local orphanages to live at the school.”

Weird, creepy, practical? Would it be a good way for potential parents to “test drive” parenting before making the commitment? Should we bring back this practice? Should we leave it in the past? Would you enroll in classes like this?