As the fee-in-reward percentage grows relative to subidy, will profitability increasingly be proportional to the number of listening nodes a miner has access to?

While Bitcoin Core randomises transaction propagation, would larger operations with many geographically-optimised listening nodes have increased advantages in discovering newer more profitable transactions?

Matt Corallo has done exceptional work in relation to FIBRE and even donates resources for the public version of the UDP/FEC network. However, in a post-issuance world will such privately operated networks become even more necessary in future?

I am aware of some existing studies in relation to privacy and chainalysis, however I am seeking any further works in relation to fee gathering analysis such as - https://blog.bitmex.com/bitcoin-miner-transaction-fee-gathering-capability/

To clarify, an entity with significant resources could configure many listening nodes throughout the network and use custom (faster) UDP delivery back to a central location. Block templates could be built from there. It is likely they would be mining more profitable blocks in the long run.

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