Virtually ever website besides BestWestern.com had a lower rate. First try was denied due to it non saying non-smoking in the title of the room type, it did say it in the hotel description. Second claim was denied due to it being a "promotional" price because there was another number with a strike through of the dollar amount.
Really seems like this is dead, but they still want to advertise they have a best price guarantee. But they'll deny any price that's lower due to it being a discounted rate, which of course covers every case you'd try to invoke their "guarantee."