Also keep in mind that a monk can use flurry AND 2-weapon fighting, so it clarifies that your unarmed attacks always deal Str bonus damage, not 1/2 str bonus.
No, see, this is the part I don't get. The TWFing rules supercede the Monk rules, IMO. The rules in the Monk class description only deal with your normal attack routines and you don't have an offhand no matter which hand you use. The TWFing rules then give you an offhand UAS, which is subject to all of the benefits and penalties of TWF, including the 1/2 +Str bonus.
A beholder’s favorite foods include small live mammals, exotic mushrooms and other fungi, gnomes, beef, pork, colorful leafy vegetables, leaves, flower petals, insects, and birds.