Here is some information about jig heads that you may find useful.
1. jig head bodies include feather, hair or silicone skirt materials or soft plastic.
2. jigs catch any fish species (note all the examples presented in most of my posts)
3. jigs can be tipped with live bait
4. jigs can be used under a float
5. jigs cover more water even using slow presentations (retrieves)
...
I understand that and I don't intend to make you post less interesting at all. The point is, over the years and since anglers started to use jigheads for soft-lures, other rigs have appeared. A weightless hook, whether simple, double or treble, can receive different kinds of adjustable weights and/or weedless addons and meet the above 5 use cases in flexible ways.
If you consider Texas hooks for instance, their different designs (offset, wide-gap etc) adjust to different lures (worm, shad, tube etc), to different rigs (wacky, offset) and different weight settings (eye-shot, jika-rig, in front, spin-shot, split-shot, free running etc). Flexible and needs a much smaller storage box. Only a few examples of these: