It may not make as much sense as I originally thought. Here's a counter argument.
https://github.com/monero-project/research-lab/issues/136#issuecomment-3191884658
Discussion
Is this because the pool gets the rewards ?
so it doesn't matter what the security budget is in this context?
Well, the miners in the pool get the reward, tail emission and fees. According to that argument though, the emission is high enough that the transaction fees won't really make much of a difference to how much profit they get.
Then again, I may not be fully understanding the argument.