He makes a fair point, but his argument would have been greatly enhanced if he had presented a specific example/redesign to illustrate it. Solving the "how" is

He makes a fair point, but his argument would have been greatly enhanced if he had presented a specific example/redesign to illustrate it. Solving the "how" is the hard part. Oftentimes, when people keep a point abstract, it's because it doesn't translate as powerfully into the specifics of the real world as the abstract version makes it sound.