And YOU missed the crucial part that states ALL...
" Thus, ALL(not the last 30%) past 0.89+ btc USB miners qualify for the 30% promo, not just the last 30% of orders"
That is one reseller with terrible english, and their entire post references the 30% promo. Only 30% of their total sales received coupons, just not the LAST 30% (which is SPECIFICALLY what ASICMINER told all US resellers to do when distributing coupons).