It doesn’t say NSA intercepted traffic, broke TLS, or even encryption at rest (even though NSA may have such capability to some extent and in some cases). The

It doesn’t say NSA intercepted traffic, broke TLS, or even encryption at rest (even though NSA may have such capability to some extent and in some cases). They could have simply read emails stored on servers of the email provider in plaintext, or have used keys handed over to them. People rarely use end to end encryption. If it’s not e2e, somebody else, and thus NSA too, has the keys.