The primary buyers / whales of DRK and the largest holders have a different worldview of things compared to the "oh I have 20 DRKs and I call myself an investor" attention-deficit-disorder people.

They have more realistic expectations and are not behaving like ...well.... "stupid people". For the most part, at least those who understand cryptocurrencies, understand that a development plan needs time, effort and even trial & error to get it right. The patience level varies between them as there is no uniformity of what they are willing to accept in terms of delays, but most are quite mature in their approach. Besides, even with the delay, the bump from 10% to 20% ensures that they'll get more than they bargained for.