The sight of her distress recalled too, to their minds, the dereliction from duty which Caesar had been guilty of in his yielding to the enticements of Cleopatra, and remaining so long in Egypt to the neglect of his proper duties as a Roman minister of state.

In a word, the tide of admiration for Caesar's military exploits which had been setting so strongly in his favor, seemed inclined to turn, and the city was filled with murmurs against him even in the midst of his triumphs.
In fact, the pride and vainglory which led Caesar to make his triumphs more splendid and imposing than any former conqueror had ever enjoyed, caused him to overact his part so as to produce effects the reverse of his intentions.

The case of Arsinoe was one example of this.

Instead of impressing the people with a sense of the greatness of his exploits in Egypt, in deposing one queen and bringing her captive to Rome, in order that he might place another upon the throne in her stead, it only reproduced anew the censures and criminations which he had deserved by his actions there, but which, had it not been for the pitiable spectacle of Arsinoe in the train, might have been forgotten.
There were other examples of a similar character.

There were the feasts, for instance.