After surviving a desolate and threatening desert, the Israelites were brought by God into a remarkably rich and fertile environment. Yet, rather than responding with gratitude, the people repaid this ultimate kindness with deep ingratitude, ultimately ruining the holy place they had been given. The primary approach among commentators is that this new destination stood as the absolute opposite of the barren wilderness—a lush environment densely planted like a forest, overflowing with fields, vineyards, and orchards [מצודת דוד, מצודת ציון, רד״ק, רש״י, ביאור שטיינזלץ, מלבי״ם]. God even orchestrated events so that the previous nations living there would rebuild and cultivate the area, ensuring the Israelites would arrive at a fully prepared and thriving home [חומת אנך].
The purpose of bringing the people into this lush environment was to provide them with a double abundance. God intended for them to enjoy not only the physical wealth of the crops and fruits, but also a profound spiritual wealth. The Land of Israel is uniquely prepared and capable of bringing about true mental happiness and spiritual good [מלבי״ם]. However, entering this space and enjoying its bounty was entirely conditional on the people keeping the Torah [חומת אנך].
Tragically, the reaction of the people was the exact opposite of what was expected. Immediately upon entering their new home, instead of embracing the physical and spiritual success offered to them, they ruined the area with shameful acts and idol worship [מצודת דוד, רד״ק, מלבי״ם, ביאור שטיינזלץ]. The severity of their failure is tied directly to the unique nature of the place they corrupted. The Land of Israel is not an ordinary territory; it is God's personal inheritance, chosen from among all lands to remain under His constant supervision and to serve as a resting place for His presence [רד״ק, מלבי״ם].
There is a fundamental difference between basic defilement and an outright abomination. While ordinary defilement harms physical success, it does not completely drive away the Divine Presence. However, the acts of idol worship and paganism committed by the people reached the much more severe level of an abomination. This extreme state caused God to be disgusted by His own inheritance, ultimately pushing His presence entirely away from the land [מלבי״ם].