Maybe, but it has very little to do with the fact that they did it in google docs and everything to do with being skilled animators. If they are skilled with motion graphics, why wouldn't they also charge the $20k market rate that you are quoting? Being talented != explosive startup
Oh, that's what I meant - but a million a year will do a few hard-working guys nice to get started with. Tortoise, hare etc. - explosive growth isn't the only viable strategy.