You’re proving my point for me: revering a person who does bugger all by design is absurd. You’re literally celebrating a person for the mere fact of existing.
She knew all the worlds leaders for the last 70 years which gave her a store of knowledge and wisdom unequalled by any world leader. As her conversations with those leaders and her own PM's were strictly confidential and the monarch is required to be apolitical, there is really no way to know what influence she had.