[_zamorano_]

It´s not.

The USSR was responsible for Chernobyl disaster and with the cold war still running, it was a candy for the western media.

In case of the Bhopal disaster, an american owned company was to blame and happened in a non threathening third world country. No news for western media.

[andreskytt]

The case is well documented in relevant literature. For example, the System Safety books by Nancy Leveson