"However, smart readers are not flawless." In other words, they are unreliable --- which makes them kinda useless for anything of significance. They offer up

"However, smart readers are not flawless." In other words, they are unreliable --- which makes them kinda useless for anything of significance. They offer up some "word salad" that may or may not be representative. Would you trust serious money to a calculator if you knew that it might give you the wrong answer?