I trust much more anything and anybody EU-based to protect my privacy than those based in almost any other country. For starters, in Spain communications' privacy is an explicit constitutional right. And at the EU level, while there is no explicit constitution, all the countries are bound by the ECHR and its court on this matter. It's not perfect but it's way better than countries that either have no privacy laws or explicitly request companies to allow unlimited government access to their users' data.