Instead, the assimilation of elements of French into English produced Middle English and, with it, the basic profile of the language we still speak: a largevocabulary of Germanic and French-derived words organized with a simplified Germanic grammar.
Moreover, smart rejectionists long ago grasped the need to speak to the world at large in the vocabulary of liberal democracy even (especially) when one's aims are belligerent and illiberal.
Two centuries of Norman rule in England after 1066 significantly changed the Germanic grammar and dumped a large amount of French vocabulary into the language.