This buck stops with congress. Be alarmed if you want but make sure you address the actual root cause.
In our system of governance, it is the responsibility of Congress to hold the executive accountable. All these agencies are part of the Executive arm of the United States of America. If there is over-reach by secretive agencies of the Executive, it is the duty and responsibility of congressional members, representatives of the public, to be rigorous in the exercise of their duty and hold them accountable.
https://www.visitthecapitol.gov/exhibitions/artifact/senator...
[p.s. Support archive.org .. ^ is archived below]
"Allegations of domestic spying by the Central Intelligence Agency (CIA) surfaced in the 1970s, triggering public demand for an investigation of federal surveillance operations. In 1975 the Senate established the Select Committee to Study Governmental Operations with Respect to Intelligence Activities, headed by Senator Frank Church of Idaho. The Church Committee’s reports exposed abuses and led to legislation governing domestic and foreign surveillance—most notably, the Foreign Intelligence Surveillance Act of 1978. House and Senate permanent select committees established at that time now oversee U.S. intelligence.
The critical question before the committee was to determine how the fundamental liberties of the people can be maintained in the course of the Government’s effort to protect their security."
https://web.archive.org/web/20180227204516/https://www.visit...
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I'll admit I never read the Church Committee report before, but it's actually shocking in the sense that an official report from the Senate of the United States would today be read almost as a 'radical' position, which itself is a telling reflection of the changes that have occurred in the past 47 years:
"Our investigation has confirmed that warning. We have seen segments of our Government, in their attitudes and action, adopt tactics unworthy of a democracy, and occasionally reminiscent of the tactics of totalitarian regimes. We have seen a consistent pattern in which programs initiated with limited goals, such as preventing criminal violence or identifying foreign spies, were expanded to what witnesses characterized as "vacuum cleaners"," sweeping in information about lawful activities of American citizens."
The Church Committee Report: "INTELLIGENCE ACTIVITIES AND
THE RIGHTS OF AMERICANS - Final Report - 1976"
https://loveman.sdsu.edu/docs/1976Churchcommittee.pdf