You can't give counterfeits away, you'll be sued. You can't give unlicensed or embargoed products away, you'll be fined. Give away damaged or defective goods and you'll see even worse PR than this story.
You can only give away the stuff you "could" sell but can't find a buyer for, which (1) pretty much means no one wants it and (2) will poison your relationship with the people who sell you the stuff you *can* resell!
Yes, that's why we need to removing the externality of destroying goods (and all of us enjoying the environmental damage) by making it cost more to destroy something than to give it away (which may include refurbishment, repackaging, etc).
What, you tried selling a made-for-landfill thing that works half the time? Should've done your research. Choose your loss.
No producer can predict with absolute accuracy the number of items they are going to sell. If you produce too many items that you don't end up selling, you overspend on production costs. If you produce too few, you cut your revenue. Optimizing the balance between these two extremes is part of running a successful business.
You can only give away the stuff you "could" sell but can't find a buyer for, which (1) pretty much means no one wants it and (2) will poison your relationship with the people who sell you the stuff you *can* resell!