What consequence does the textbook attach to makruh tanzihi?

Prescribed Acts and Prohibitions: Fard, Wajib, Sunnah, Nafl, Haram, Makruh, Azimah and Rukhsah

• Every instance is identical to committing haram
• Performance is wajib and omission punishable
• Abstention is sinful and commission rewarded
• Some reward for avoiding it, but no punishment for doing it