Sales are artificial boosts yes. The difference is in the connotation. A sale is given for something that people generally would buy anyway, but now more people will. An artificial boost is given to stuff nobody wants, but at a lower price can be convinced to buy.
Or in other words, sales raise $high_number to $higher_number while artificial boosts raise $essentially_zero to $acceptable_number.
Look up what their production targets were and compare that to their sales. A small temporary demand surge isn't going to be enough to chew through their current inventory, let alone keep the production lines busy.
