The United States has Secretaries for foreign affairs (called the Secretary of State), defense, agriculture, the treasury, commerce, education, and more.
Similarly, Israel has ministers for foreign affairs, health, diaspora affairs, finance, internal security, agriculture, and more.
In Tanach, we find a few people described as שר צבא, the minister of the army, including יואב and סיסרא.
In the government of the pharaoh of Joseph's time, the only ministers we find are the minister of animal slaughterers (Genesis 37:36, Rashi), the minister of butlers (40:2), and the minister of bakers (ibid.). That the Torah saw fit to include mention of three food ministers and no others seems to be telling us something. Do any commentators discuss this phenomenon? What do they say?