I suppose this is true. If you somehow don’t feel the difference in your hand or in your mouth, you could swallow it by mistake.

On the flip side, The contents of that plastic container are just silica gel beads made for consumables so it should be mostly inert and pass right through. They say “Do not eat” on the package, but they’re not especially harmful if you do. The biggest risk is an intestinal blockage if you eat too many, but this is not likely to happen with a single mistake