It used to be simpler. I remember it taking years before Apple finally added this ability to move more than one icon at a time, and it’s a change for the better in my opinion. Using it as a reordering technique is a knock-on effect I’d never really thought about, but I think using this to move multiple icons to another page or into a folder makes a lot of sense. I’m not sure how you’d do it better (though I’m sure I’m lacking in UI imagination).