[tauchunfall]

>The only explanation I have for this phenomenon is that this was in the news media a lot in the 90s

With the 90s you mean the case of Christoph Meili? Maybe it's because it's a spectacular case and that makes it brought up more.

[panick21_]

Basically the 'World Jewish Congress lawsuit against Swiss banks', involved the everything from President of the US, congress and so on.

Meili was part of it, it basically goes from 1995 to 1998.