The problem with excessive discretion is the uncertainty that it creates. If you go into a process without understanding the benchmarks by which you're going to be judged, neither the industry that wants to get a project built, nor other participants can have any confidence that the outcome will reflect their concerns or will contribute to sustainability, which is the purpose of the act. Bottom lines help to level that playing field.
On April 18th, 2018. See this statement in context.