They are indeed quite rare, but for a good reason: Optimization challenges have a much higher skill floor than AI battles, so they are usually less accessible to most people.
Ideally, we want everyone to have fun in the seasonal challenges, no matter the skill level, but from what we’ve seen during the event, maybe this one was indeed a bit complex. If you have more feedback about it, I’d suggest discussing them in Fall Challenge 2024 - Feedback and Strategies 