What Are Barns Good For?

Abandoned barns are a fairly common site along I-81 in NY. Smaller farms are going out of business.  The old pattern of using summer pasture and winter hay is ending, so there's no need for a tall barn to store hay.  (I'm guessing today's big operations haul in feed as needed.)   So as one culture fades away leaving behind its unneeded structures, what do we do with barns?  One answer is to tear them down and use the barn siding wood to add a rustic feel to high-end houses.  Another is given here:

It’s wedding season, which means you now have a higher-than-normal chance of spending time in or in the vicinity of a barn. A survey from The Knot, which offers wedding services, reported that 15 percent of couples who got married in 2017 held their reception in a barn, farm or ranch, up from 2 percent in 2009. [https://www.theatlantic.com/family/archive/2018/05/barn-weddings/560099/