Self-checkout nightmare

Is anyone really a fan of the self-checkout line in grocery stores?  I am NOT and everytime I think about giving it one more shot, I almost instantly regret that decision.  The alert to "wait for attendent" seems to appear after each item I scan.  Why is something created to eliminate lines and store traffic actually doing the opposite??  Every time I visit the store, the self-checkout lines are longer than the regular checkout lines, which leads me to believe they should be abandoned all together.

Costco has opted to eliminate them, CEO says that employees do a better job.  Could not agree more!
http://www.businessinsider.com/costco-is-eliminating-self-checkout-2013-6