People don’t want to touch script because its hard to evaluate how badly a change with affect the system. Rusty constructed an algorithm for evaluating explicit costs for all the opcodes, so any damage caused by new opcodes are limited and can be evaluated in a rigourous way. nostr:note1y2yxrdtpw4uvame7vrwk8qkgldvlcp2ml0s9zpjt5uqzmudf3ccs3g23t0