When using a freeform canvas, you can layer (z-order) visualizations. In cases like this, it would be nice to have the ability to move all grouped objects as one. This would also be helpful if you have a layout and spacing you like but need to move them all. By having the grouped it would all move together. Here is an image of my use case. I have a tile moved to the back with conditional formatting and then have a tile in front with information I want to display. The tile in the back serves as a status indicator by color. I like the spacing, but maybe I need to move them to a different location on the canvas. By grouping, this would make the task significantly easier.