"all that remains is for the US to introduce a law that would give EU citizens the same right to judicial redress as Americans enjoy in Europe."
How about a law preventing the data of foreign nationals from being arbitrarily snooped upon?
After all, isn't the current setup that data is taken and those who know are silenced? If so how can you sue?
Likewise what is the point of suing in America over copyright, the country that requires content to be registered in order to hope for any sort of redress...