Yes it’s mainly to be able to visually align and put tiles inside styled areas.
I’m currently experimenting with having my own little UI with slide out menus etc but then having object element that loads the sharptools dashboard into a div using iframe. The concept works. But one concern would be some sites over time have disabled the sites being loaded in iframes. So although sharptools currently works being called into an iframe, is this something you will block at some point which will make me spending time making a UI pointless or will you not disable iframe loading ?