They do go higher eventually. But it seems like most go for $7, or maybe someone is haggling up to $10 or so, which is still ridiculous.
I used to do a lot of negotiated routes with the old MSC, which allowed me to group a lot together. With the new MSC, by the time they are willing to go high enough, what's left is so spread out it's not even worth bothering with. And the new report has more questions, including the narratives, which kills me on input times.
I will say bundling with the other types of shops at the same site can be lucrative, but usually not enough to make a route of it. And some of those Club shops can be a real pita when the screens or readers don't work