Even someone rabidly anti-nuclear like Stéphane Lhomme of Sortir du Nucléaire admits that the industry and the the ANS are doing that job correctly and honestly. His thesis in L'insécurité nucléaire is that, in his view, the actions prescribed by the ANS to the operators upon those reports are way too "lax".
Elsewhere, depends. It looks like things are getting better in Japan. The Tepco scandal in 2002 was certainly a wake-up call. In the US, it's definitively going in the wrong direction, as everything governmental in the US since Bush took office.