A440 4 hours ago
The reason being, the total resources of the league are a set value. Since all teams seek a complete and winning team, if the whole league is overspending on QBs, that means they aren’t spending it on other positions. This also means the other positions somewhat limited prices (usually because everyone wants more resources to grab QBs). Often means you can stack every other position pretty easily, and if you can do that, you lose little at the flex spot without a QB in it. The main reason why QBs in a flex are so strong is because they’re consistent and score highly, and typically in a flex spot, people are putting RB3/WR4/TE2 so the comparison gives significant advantage to the QB side. However, if you’re putting an RB/WR2 or a TE1 or better, it minimizes the advantage which highlights your advantage at every other position.