Tens of thousands of computer geeks all randomly chose to hate a product. Clearly a coincidence or unlucky alignment of stars, nothing to do with said product, of course.
It could just be the case that everyone complains about their database and the HN crowd uses a lot of MongoDB. There's certainly more total MySql/MSSQL griping, whether or not gripers/users is higher for MongoDB isn't really obvious.
Tens of thousands of computer geeks all randomly chose to hate a product. Clearly a coincidence or unlucky alignment of stars, nothing to do with said product, of course.