I don't know if they have each other as peers. I do know that at least two pools have complained that ignoring the subsat tx filters caused them to lose money via an increased orphan rate. CKPool comp...
That's not what your linked posts are complaining about. Both pools have an orphan rate of zero. In fact all pools mining sub sat txs have an orphan rate of zero https://x.com/mononautical/status/1968138304265900433