Yokes—the kind you use to harness a team of animals to a task like plowing or hauling—do not have a positive metaphorical connotation. In the Bible, they are almost universally a negative image. See, for example, Dt. 28:48 (“He will put an iron yoke on your neck until he has destroyed you.”), 2 Chron. 10:4 (“Your father [the king] made our yoke heavy.”), and Isa. 58:6 (“Is not this the fast that I choose: to loose the bonds of injustice, to undo the thongs of the yoke, to let the oppressed go free, and to break every yoke?”).
There is one notable exception—Jesus. He spoke positively of the yoke: “Take my yoke upon you, and learn from me; for I am gentle and humble in heart, and you will find rest for your souls. For my yoke is easy, and my burden is light.” (Mt. 11:29-30) So, what’s up?