I gather they DON"T throw it in, as they KNOW they can get MORE for it selling it separate
business's are in business to make MONEY, , not always to make happy customers LOL

just look at HOW many things you buy that TAKE batteries and they DON"T include them, and like items
its a way the company's KNOW they will sell more products, get you to spend more time shopoping, and that leads to you buying other things
again its marketing.

I agree some company's would be better off offering a FULL packaged deal, and gather in time as MORE and more folks want them they will.
but MOST hunters still don't use them, BUT many more DO use a safety harness
and its been a slow transition into hunters using safety harness's too
STILL a LOT that don't
as demand goes up, they adapt
till then, MOST sell and package what they FEEL will sell best for them

JUST look at HOW long it took guys to switch from long/re curve bows to Compounds(if your young this won't help you understand LOL)
or from HOME MADE stands to pre made stands
or places antler restrictions were made into law, folks hated them at first, but in time, MOST all like them NOW!



it all takes time, and few people LIKE change
newer generations adapt better to change, as heck, seems they always WANT change(Look at smart phones, they change as fast as they make em LOL, and its due to DEMAND)
older types like things to stay the same and fight changes more
a generation thing I feel!