That doesn't make any sense. The more obviously overpowered the card, the more likely development are to mess with it. Shadowmage Infiltrator was left alone and was (and is) still considered very strong.
I think what he was saying is that the originally submitted cards were rediculosly overpowered so that the secondary submissions were less likely to be nerfed.
Finkel's original card:
Wrath of Leknif 1WWU
Sorcery
Destroy all creatures. They can't be regenerated. Untap up to four lands.
Bob's original card:
Asp's Grasp G
Sorcery
Target player gets nine poison counters.
PLANTED
Honor-Worn Shaku
[/CARD]
VERMIN
CANDYAPPLE
I think what he was saying is that the originally submitted cards were rediculosly overpowered so that the secondary submissions were less likely to be nerfed.
Finkel's original card:
Wrath of Leknif 1WWU
Sorcery
Destroy all creatures. They can't be regenerated. Untap up to four lands.
Bob's original card:
Asp's Grasp G
Sorcery
Target player gets nine poison counters.