The most contestable claim in this book, stated plainly so it can be argued with.
If Kaliyuga is a condition rather than a date, then so is Satyayuga — and a condition does not require universal adoption to be real somewhere. A household can run on truth while the street outside does not. A courtroom, a classroom, a company can. This is not a metaphysical claim; it is an observation about institutions, and anyone who has worked in a well-run one has seen it.
The interesting question is whether such islands spread. Here I want to separate what is documented from what I merely believe.
Documented: behaviour is contagious across social networks, norms shift non-linearly once a committed minority reaches a threshold, and institutional culture is set far more by what senior people actually do than by what any policy states. These findings are robust across sociology and organisational research. They mean that individual conduct is not merely symbolic. It is causal, with measurable multipliers.