This is not a bug, but it's worth considering.
Some people are about to say that they all work on desktops or laptops ;-)
But there are times when we want to change something quickly using a smartphone.
Unfortunately, features such as drag and drop do not work. In some cases, products are completely uneditable on the touchscreen.
Such touchscreen solutions have been around for some time
https://clarle.github.io/yui3/