This comment sounds rather silly.Low quality strikes back...
Why? Not only the fact that Apple sells them is important, the other fact that
is also important.From:
https://www.macrumors.com/2016/10/27/apple-4k-5k-lg-displays-new-macbook-pro/
...Apple announced that it has teamed up with LG to create 4K and 5K UltraFine Displays specifically designed to work with the new 13 and 15-inch MacBook Pro models...
It is a problem created by Apple.