EIP4488 on call data expansion would result in cheaper rollup transactions. 1559 means that in mad rushes, excessive fees get burned instead of given to miners

EIP4488 on call data expansion would result in cheaper rollup transactions. 1559 means that in mad rushes, excessive fees get burned instead of given to miners. Both of these things help combat gas prices and dampen runaway auctions. But ultimately there’s not a lot you can do to stop people who want to outbid others for faster inclusion, without introducing other ordering rules which are hard to agree on and seem to usually introduce dos vectors.