1. As a community: Because you have to balance cost and security. Maybe we could increase them a bit without it stinging too much. But we can't do it boundlessl

1. As a community: Because you have to balance cost and security. Maybe we could increase them a bit without it stinging too much. But we can't do it boundlessly. 2. As an individual: Because I'd probably mess it up and pick a number of rounds that is e.g. divisible by 23 which weakens the system for some number theoretical reason that's far beyond my understanding.