>>534788693
It is well known that female fans spend more money on merchandise than on the game itself, so including the only 5 star male character in the region during said collabs just makes financial sense.
>"what about older characters"
There are exceptions ofc, like the Al and Kaveh one, but marketing usually wants old and new players to focus on the "shiny new thing" so they can get invested and roll/buy merchandise of upcoming charcaters, so Kinich is just the perfect (read as only) choice