The Parliament was and still is weaker than the Commission and the Council, the latter two usually work in tandem anyway. (Actually, the swpat rejection by the EP wasn't about values, but rather an attempt to demonstrate capabilities, unseen before or after for that matter, see belgacom).
https://www.theguardian.com/world/2013/nov/07/nsa-gchq-surve...
What was the consequence for those behind?
https://www.theguardian.com/world/2015/nov/06/security-and-l...
In a democracy you need to be informed (see NHS campaign). That is incompatible with W. Lippmann's Society of the Spectacle, privacy and freedom of thought.