Piston + Chest Duplication Glitch

In the latest version of Bedrock, it is possible to dupe any item with a very simple and easy to obtain method. This exploit is performed through having a piston push a chest and taking the item you wish to dupe out of the chest at the last moment. You can also perform this exploit using any other block which can store items and can be pushed. I hope this gets patched as, in my opinion, this ruins the Minecraft and realm experience as there are sometime people who abuse this exploit.