I would have to disagree, not that what is said was wrong, but he is blaming a tool for it being misused. Helper classes are the basis for DSLs that can promote good design. Like any tool, it's bad when misused.
So yeah it'd be good for your career if you'd join the dark side. Working on a Death Star does open up a lot of opportunities, like beating up rebel scum. The only down side is you might lose your job if your workplace blows up, literally.