Tests are performed when inflight connectivity is added to a plane -- and it has resulted in finding interference issues, such as WiFi blanking avionics screens

Tests are performed when inflight connectivity is added to a plane -- and it has resulted in finding interference issues, such as WiFi blanking avionics screens (http://www.flightglobal.com/news/articles/wi-fi-interference... http://www.flightglobal.com/news/articles/wi-fi-interference...). The degree of engineering incompetence that would be required to make that happen is nothing short of jaw-dropping.