In addition to all the anecdotal evidence, every factory service manual will tell you to torque all suspension bolts with the car at neutral ride height. The manual may not tell you why, but that has been covered here.
If the bushing's inner tube (generally with serrated ends) rotates while driving, the bolts have not been tightened properly. Clearly, that is a problem.
If the bushing's inner tube (generally with serrated ends) rotates while driving, the bolts have not been tightened properly. Clearly, that is a problem.