Some food products are so polite that the public may not notice . But Burger King commercialized its copying of McDonald 's Sausage McMuffin . Burger King claims : No direct feedback from competitors . In 2007 , McDonald 's introduced chicken sandwiches similar to Chik - fil - A 's .
Some food fights are so polite that the public may not notice . But Burger King commercialized its copying of McDonald 's Sausage McMuffin . Burger King executive : No direct feedback from competitors . In 2008 , McDonald 's launched chicken sandwich similar to Chik-fil-A 's .