Bitcoin has evolved a lot since the genesis block. If we went back to what Bitcoin was like back then, lots of good things like Lightning and (I think) multisig wouldn’t work. On the upside, malicio...
Mining isn't centralized now either. And libre relay is not malicious just because it takes off core guardrails... And op return is a mempool policy and has nothing to do with the op return limit of my own transaction. I can sign and briadcast an op return bigger than that well before core 30.