"Airbus only" fleet in easyJet's case means Airbus A319-100, Airbus A320-200, Airbus A320neo, and Airbus A321neo.
A Boeing only fleet could have 737NG and 737MAX. This doesn't help if you are completely against flying in the MAX.
A Boeing only fleet could have 737NG and 737MAX. This doesn't help if you are completely against flying in the MAX.