I think it’s the audit and details settings that keep the blue bumped transactions from showing.
Discussion
I had to look myself. They didn't loose any fees i guess because the Expected block fees are the same as actual block fees. Do I understand correctly that they can rearrange the fees since they won the whole block?
So they had a pattern with Fee proportion gradients ready, and they used the pattern of proportions just divided the fee subsidy by the gradients?
That’s my guess. I don’t fully understand the mechanics of it, but I think it’s just a data manipulation. With the pile of transactions they basically have a pile of legos and sort them to color sequence.