~$2M to take the network offline for 1 day is too low. Based Rollup offers perfect liveness.
This doesn’t matter as long as deposits are pegged to 32 ETH. We can instead set deposits to max(32 ETH, 32-eth-at-launch-token), though a drop in token value will leave current stakers under-collateralized (and therefore bribable).
If you allow dynamic block sizes, hardware requirements for sequencers effectively increase to the maximum size.