The difference, according to the article, is in the way Microsoft apparently misleads users into thinking that the binary is the straight product from open sour

The difference, according to the article, is in the way Microsoft apparently misleads users into thinking that the binary is the straight product from open source code compilation, which it seems it is not (see https://news.ycombinator.com/item?id=18012688 https://news.ycombinator.com/item?id=18012688) This can drive privacy concerned people to use the product because they (wrongly) think it's open source and fully community reviewed.