It is the tribe. As the English wished to remain English, and voted to regain control of their borders, so the French wish to remain who they were and are—whether ruled by a Louis XIV, Napoleon, General de Gaulle or the Fifth Republic.
In these countries, the common denominator is that the nation comes first, and that political system is best which best protects and preserves the unique character of the nation.
Nationalism trumps democratism.
Recall. Donald Trump was not elected because he promised to make America more democratic, but to “make America great again.”