God expresses deep frustration over a tragic disconnect between Him and the Israelites. Despite His continuous efforts to guide them through His commandments, the people have grown entirely alienated from His teachings, treating His sacred guidance as something entirely foreign and unwanted.
God's communication with the people is framed as an act of writing. This can be understood as an event from the past, meaning His laws were already permanently recorded for them [אבן עזרא]. Alternatively, it represents an ongoing, daily reality. God constantly sends prophets to rebuke the people and remind them of the Torah, as if He is writing His instructions for them anew every single day [רש״י, רד״ק].
The teachings God provides are both immense in number and exalted in nature. They contain a vast multitude of instructions, yet they are also filled with unmatched greatness and honor [מצודת ציון, רד״ק]. However, despite the abundance and dignity of these teachings, they fall on deaf ears. The people view God's words with complete apathy, treating them as strange and irrelevant [ביאור שטיינזלץ]. This estrangement ran so deep that if the people were to actually encounter the Torah, it would seem like an unfamiliar discovery. Tragically, this exact scenario played out years later during the reign of King Josiah, when a discovered Torah scroll was met with shock and unfamiliarity [רד״ק].
Taking a different approach, the focus shifts to the physical worship at the altar. In this view, God's instructions specifically refer to the lawful altar in the Temple, which was constructed according to divine guidelines. The people of the Northern Kingdom, however, completely twisted this reality. They began to view the authentic, original service of God in the Temple as a foreign and sinful act. Their hostility grew to the point where they would actually kill anyone who traveled to offer sacrifices there, choosing instead to fiercely defend their own idolatrous altars [מלבי״ם].
Another layer of meaning points to a prophetic vision regarding the Oral Torah. Originally, God deliberately kept these traditions unwritten so that the surrounding nations could not appropriate them. Yet, the concept of writing hints at a future era when God would finally permit the Oral Torah to be recorded. This shift was destined to occur during the long years of exile, a period when the Israelites themselves would be wandering the world, living as strangers in foreign lands [חומת אנך].