This looks like an interesting concept! > I find that the drag and drop experience can quickly become a nightmare, especially on mobile. To me, drag and drop is only a nightmare on mobile. On desktop (using a mouse or trackpad), drag and drop actually works quite well. Your design experiment reminds me of a recent talk of Scott Jenson, where he talked about how we just took over established UX patterns from desktop t…
> On desktop (using a mouse or trackpad), drag and drop actually works quite well. Strong disagree here. It is intuitive, it is easy to demonstrate. But it's not really convenient, especially on a trackpad. I have enough mouse agility to play RTS games but not to do a reliable drag-and-drop, especially in a complicated case - across windows, with scroll, etc.
From my experience, there's nothing convenient about a trackpad; pretty much ever. About the only thing they do better than a normal mouse is scrolling left/right, and that's only marginally. I bring a mouse with me when I take my laptop somewhere because I hate the trackpad so much.