End-to-end encryption only protects the content of your communication, not the fact of the communication itself.
Ìyódùpadàfâbò òpin-dé-òpin ń dáàbò bo ohuninú ìtàkùrọ̀sọ rẹ nìkan, kì í dáàbò bo ìtàkùrọ̀sọ tìkararẹ̀.