Jerks~! Question about front end alignments?

[Brewski*]

Got my front end aligned. Wasn't right! Took it back. Still not right. Bumped a small parking stop and now my steering wheel is crooked. Looked underneath and the steering stabilizer is completely loose. Wonder what else is still loose. Jerks. What would cause a slight bump into a parking curb (you know the ones painted yellow in every parking lot) to set the wheel off that much? It drives pretty straight now that I bumped the dam thing! Would just like to straighten the wheel and be done with it. Any advice?