I would not be surprised if there was more of this. Big picture, cost competition for middle or even upper-middle class families has really seemed to ramp up over the last 8 or so years. But budgets have to be balanced.
If there is anything “bad” about this, it could be seen as hurting lower income kids who may lose a few spots to full pay kids as part of that balancing act. But there is also pressure on these colleges to improve those numbers (lower income enrollments) as well. So I am not so sure that will happen much.