With that going on, it's hard to imagine there once was a time where the news paper publishers hat little to no signal on what actually sold news papers. Given that papers were only sold as a bundle of articles and most sold through subscribers, they pretty much had to guess. So they had a rough direction they knew their readers expected and they had some sparse feedback from the "letters to the editor" but you had to be really angry to follow through on writing a physical letter, getting a stamp and walk to the post box just to complain.
I would argue, that helped journalism because journalists probably assumed that their readers would hold them to the same standards they hold the writers of the other papers too.