They always did though. That's my point.
Neither. It's against a lot of the "fans".
For example right before Flashpoint even happened Secret Six, Xombi, Jonah Hex, Zatanna and Booster Gold were some of the best written books on the market. With some of the most interesting characters in the medium. Yet their sales figures were pretty horrendous while the bat books soared.
A couple of years before that titles like Manhunter and Simon Dark were also kicking all kinds of ass from a quality standpoint with some really pathetic sales figures. Then with the New 52 you had some titles like Demon Knights, I Vampire, Resurrection Man, OMAC and Voodoo which were different and incredibly interesting but again not enough people bought them.
End of the day numbers don't lie in the business world and any business will cater to the market where the numbers are the highest.
A lot of the same people who complain about "Always Batman and Superman" are some of the same ones who passed by these books at their LCS and gave them the cold shoulder. Don't complain about a so called problem if you're not even trying to be part of the solution is what I say.