Its legitimate use is so restricted (§20k BKAG [1] in conjunction with §4a BKAG [2]) that this would be a waste of everybody&#x27;s time and effort; there&#x27;s bigger fish to fry where privacy is concerned. Illegitimate use of such tools is (potentially) a different story, but that&#x27;s part of the bigger problem of effectively controlling the BND and the other intelligence services.<p>[1] <a href="https:&#x2F;&#x2F;dejure.org&#x2F;gesetze&#x2F;BKAG&#x2F;20k.html" rel="nofollow">https:&#x2F;&#x2F;dejure.org&#x2F;gesetze&#x2F;BKAG&#x2F;20k.html</a><p>[2] <a href="https:&#x2F;&#x2F;dejure.org&#x2F;gesetze&#x2F;BKAG&#x2F;4a.html" rel="nofollow">https:&#x2F;&#x2F;dejure.org&#x2F;gesetze&#x2F;BKAG&#x2F;4a.html</a>