She claims fealty by right of blood, reigned as the crown of an extraordinarily cruel empire, and frequently interceded in the democratic government of Britain to protect her private interests.
Queen Elizabeth presided over its dismantlement. No famines occurred during her reign and no rebellions violently suppressed.
The Empire was cruel, but it's unfair to wash her with the cloth of empire.
European colonial power would have never left if they hadn't got into war of attrition with Hitlar.
British left their biggest colony India only when Indian soldiers revolted and they were too weak to crush it post WW2. It was simply not possible to rule after this incident.