It’s been a while since I took statistics, but yes, I guess that is a binomial distribution. It does not influence the results in the way you are implying it does, though. The calculator does actually account for it (the Population Proportion input), and the sample size actually decreases the lower/higher your proportion is. My point was that a question like, “Do you watch anime weekly,” is not like a question like, “How many hours of anime do you watch in a week,” where you certainly couldn’t assume a normal distribution for the number of hours watched.
Micay stepped down as lead developer and foundation director. I’m not sure what role he has with the project currently, but it seems like he plans on leaving the project entirely, long term. I haven’t heard of any controversy since then. They’ve been hard at work and actually added support for Android Auto last month.