Why isn't this a violation of 18 U.S. Code § 2511 - Interception and disclosure of wire, oral, or electronic communications prohibited https://www.law.cornell.

Why isn't this a violation of 18 U.S. Code § 2511 - Interception and disclosure of wire, oral, or electronic communications prohibited https://www.law.cornell.edu/uscode/text/18/2511 https://www.law.cornell.edu/uscode/text/18/2511 "except that a provider of wire communication service to the public shall not utilize service observing or random monitoring except for mechanical or service quality control checks."