Let's say if this would not be just for interns but for everyone. Then there would be this second order effect where they filter candidates who don't mind this

Let's say if this would not be just for interns but for everyone. Then there would be this second order effect where they filter candidates who don't mind this happening to them. If they keep at it long enough, they'll end up shaping the culture of the company in a certain way. Which may not be the way they'd want.