[sofixa]

There were politicians in Iceland, Spain, Ukraine who resigned. There were multiple criminal investigations, and convictions.

There were no earth shattering mass arrests and government topplings, but it's unrealistic to expect such a thing.

[kzrdude]

And the current US president has mentioned international tax treaties as an issue he wants progress on.

[nuclearnice3]

And PM of Pakistan Nawaz Sharif was disqualified from office. https://en.wikipedia.org/wiki/Panama_Papers_case