>>55100343To subvert expectations and make megafags want them.
GF knows how much people want them back and the longer they hold them back from returning the more money ppl will be willing to pay for any game that has them.
And they will milk this cashcow as long as they can, fueling fire by shilling megas in ither media like anime, GO, Mastersex and even designing some mons like Paradox based on them.