A person might look at the immense size and raw power of a massive wild creature and dream of taming it. Harnessing such strength for daily agricultural labor seems like an incredible advantage. However, reality proves that this beast is entirely too wild and powerful for human beings to control or put to work [ביאור שטיינזלץ]. A rhetorical question is therefore posed to Job regarding the different stages of farming, challenging whether a person could truly rely on such a creature to handle the demands of the field.
For instance, after the animal finishes plowing, one must wonder if the planted seeds will actually yield a harvest that returns to the farmer [אבן עזרא], or if the creature could ever be trusted to carry the heavy crop on its back and deliver it safely home [מצודת דוד, ביאור שטיינזלץ]. Furthermore, there is the question of whether the beast would assist in the threshing process [אבן עזרא] and faithfully gather the grain from the threshing floor to bring it indoors [מצודת ציון].
The primary approach among commentators is that depending on such a wild animal is doomed to fail from the start, though they offer different practical reasons for this inevitable failure. It is highly likely that the untamed beast would simply run off into the desert, taking the seeds and the harvest along with it [מלבי״ם]. Alternatively, the creature might simply take advantage of its easy access to the crop. Rather than gathering the grain that the farmer worked so hard to grow, the animal would likely just eat the entire harvest itself [אלשיך, מצודת דוד].
Beyond this agricultural scenario lies a deeper theological lesson meant to illustrate God's direct involvement in the world. If human beings are completely incapable of controlling or feeding such an enormous beast, someone else must be providing its food. The reality is that God Himself cares for and sustains it. This truth directly refutes any claim that God ignores or fails to watch over the earthly creatures of the world [מצודת דוד].