What Is Bad Writing?

Nathan Bransford wrote a controversial post in which he defended, not the content but the prose of 50 Shades of Grey. (Honestly, I don't think anyone needs to defend the content either. Sexist? Sure; also the plot of pretty much every erotica novel ever. And since these are books by women for women there's something else going on besides anti-feminism.) But let's say that you loathe the content, does it follow the writing itself is also pure trash:

Nathan Bransford, Author: What People Talk Ab...