I disagree. Creativity requires inventiveness, hard work, discipline, patience, and knowing oneself. Immediate gratification is the enemy of creativity.
How many different modes do you need? I propose five minutes work maximum per scale, probably less. Then, forever, you have the feature that you are willing to wait a couple years for by asking for it in a software forum, and you get it now, tonight without waiting, and you can customize it the way you want.