The Horrific and the Holy

Why did God kill Nadab and Abihu for offering unauthorized worship before Him? For the inquisitive Christian, the standard explanation may be unsatisfactory because we want to know why Yahweh would not accept their worship.
Why did God kill Nadab and Abihu for offering unauthorized worship before Him? For the inquisitive Christian, the standard explanation may be unsatisfactory because we want to know why Yahweh would not accept their worship.