My best guess is that Yoshida routinely commented in the past that he wanted to reduce the gap between top and bottom tier players. In this regard, the removal of Cleric stance was a resounding success and Stormblood watering down SCH was also fairly effective even if part of it had to be walked back. ShB was just a repeat of 4.0's initial SCH murder, but across the board and this time they stuck to their guns.