Many if not most people will buy the thing for $X, then complain that someone else scored the same item for $X - $100.
Once the price has already dropped more than ten times, and the site says when the next price drop is, people will figure it out well enough.
They would maximize profit for this launch and in the process damage a reputation that is literally worth billions. Gamers are famously sensitive, and famously have a long memory for PR fuckups.