*I know it's for kindness of beginners .... but didn't u think ? if the limit of using dd per day be removed, there are many of ppl can be reach 100+ on a day and it's dangerous.
U know , the breaker of rules can be in action for break the rules, for examples "RMT,selling character, buying character" so it's not impossible if using dd per day be removed. And ... ppl will be bored if there is no limit of dd, cause all of them can reach high level on a day.
~Open discussion ...