Joseph- That’s because l’gabei tznius many other poskim (among them, the chazon ish, rav moshe, etc) disagree with the chofetz chaim. by shabbos, do other poskim disagree with the CC?
<I>A yeshiva bochur who is 17 when walking past a 16 year old girl on the sidewalk from a local bais yaakov on shabbos will say “gut shabbos” as a reflex.</I>
Is that true where you come from? I wasn’t 17 too long ago, and iirc, greeting a girl your age was certainly not a reflex! Have the standards changed that fast?