I'm assuming you meant unnecessary, and yeah maybe it was, but op deserves it for jumping the gun and assuming things without actually taking the time to look into it. you can always look at the eververse calander at todayindestiny.com/eververseCalendar
edit: the only exception to armor being sold is if there are multiple sets releasing in the season, which is why the Assassin's Creed set is not available for bright dust