Bixi: has it caused more accidents, or not?

Slightly confusing article starts with claims that Bixi has meant more bicycle accidents because users are casual and seldom wear helmets, then finishes by doubting the theory saying nobody has stats on whether bike accidents involved Bixi bikes or not.

In the Journal, they’re saying cyclists take too many risks and don’t wear helmets enough although this last piece also goes some way to contradicting itself by finding an expert who points out that a helmet can only do so much.