This letter from the BNetzA, which is in charge of regulating the use of the EM frequency spectrum in Germany, specifically states that sending deauthentication

This letter from the BNetzA, which is in charge of regulating the use of the EM frequency spectrum in Germany, specifically states that sending deauthentication packages to disrupt other wireless networks is not allowed. It's in German, naturally: https://meinehochschulebehindertdaswlan.de/BnetzAStellungnahme.jpg https://meinehochschulebehindertdaswlan.de/BnetzAStellungnah...