I didn't know about any promise, but I didn't do the kickstarter...
I was going to say, I would rather he actually paced himself better, given his past history of delays in production. I'd rather he release them at a slower, but consistent rate that covers any spurts or delays. If he can do 3 per 2 weeks, I'd like him to release one per week. that way he builds up a stock-pile for when there's a problem.