Roy kept it going for a while.. but you’re right. The magic ended with Walt.
Walt understood the story.
Princess were the defenders of virtue.
Princesses were being taught about life.
There was good and there was evil. Both were specific and not changed based on whim. Only the evil played with definitions of good and evil.
The good family stories seems to sneak by and then get ruined by a PC sequel that destroys the franchise.