Apple's Dan Riccio Says 2018 iPad Pro 'Meets or Exceeds' Quality Standards (forums.macrumors.com)

The link is to the discussion of the article. The article is https://www.macrumors.com/2018/12/21/apple-dan-riccio-on-201...

That looks like more of a bend than 400 microns. What's going on here?