Gaston Doumergue at Prix du President de la Republique race

The video discusses the betting system on French racecourses, highlighting the pari-mutuel system and the risks of losing money. It also covers favored horses in a race and the role of patronage in horse racing.

What does the phrase 'Do mad by the virtue of his office' imply?

What is the significance of the phrase 'patron of this' in the context?