I take it that you're talking about a holiday where you're from, because if there's a holiday Stateside today, I'm getting screwed and I have to complain to my teachers.
Please tell me how my company would get money out of only doing any project work for 3 weeks a year while employing 20 people with healthcare and pension? Where would that money come from? Overwork ourselves to do equivalente work in 3 weeks? Nothing produced there would be worth a shit, it would barely work.