Was this transaction floating around before it got mined? Might be an accounting trick for a miner to include it.
Someone paid 8,182,079 sats/vbyte feerate, oooops...
https://mempool.space/tx/d5392d474b4c436e1c9d1f4ff4be5f5f9bb0eb2e26b61d2781751474b7e870fd
Was this transaction floating around before it got mined? Might be an accounting trick for a miner to include it.
In that case the pool wouldn't broadcast the transaction, but only include it in it's own candidate block.