Missing the Needle in the Haystack

Spy officials allegedly voiced concerns back in 2010 that so much data was being collected by the UK security services, they risked overlooking useful intelligence.

The draft report, apparently written for the UK government, was obtained by the Intercept website from US whistle-blower Edward Snowden.

[...]

It was allegedly prepared by British spy agency officials to brief the government's Cabinet Office and Treasury Department about the UK's surveillance capabilities.

[...]

Extracts from the the document read: "The security service... can currently collect significantly more than it is able to exploit fully.

"This creates a real risk of intelligence failure from the service being unable to access potentially life-saving intelligence from data that it has already collected."

  BBC

It may not work, but I'll lay you odds they won't stop doing it.

...so do what you want...you will anyway.