It's an interesting observation, and it's constructive, providing actual data and knowledge. I downvoted you for negativity because you're providing nothing interesting.
I found parent to be constructive as to tone rather than content and upvoted them for that reason. The constructive part of grandparent's point can be made without needlessly crapping on people's hard work.
This is obviously an improvement, who cares if it is not perfect by your standards?