"staples" news and stories

One of my pet peeves, which I've ranted about before on this site, is tea bags that have staples in them.

Now, since I've switched to loose tea and infusers/filters, this isn't as much of an annoyance as it once was, but I still wonder about it. Last year I had a staple tear off of of a tea bag (one of my fears that became reality). That would have been nice to swallow. So I wonder why, in this day and age, do tea companies still use staples? Many companies, such as Tetley, don't use them, but I've noticed Red Rose, Twinings and Lipton (and many others) still have them. Why? We have the technology to create a staple-free tea bag, people!

We were once promised that we'd have our own jetpacks by now, but since that isn't going to happen anytime soon, can we at least have a tea bag without metal in it? Thank you.