Looking at the system being discussed, you don’t actually need a wand to cast spells. Most people don’t really have a choice on how many wands they get. And those that do have much better items that would take the same time and resources to make, so they make those instead.

http://dnd2024.wikidot.com/magic-item:broom-of-flying

http://dnd2024.wikidot.com/magic-item:cap-of-vanishing

http://dnd2024.wikidot.com/magic-item:headband-of-intellect

http://dnd2024.wikidot.com/magic-item:mechanical-wonder

http://dnd2024.wikidot.com/magic-item:potion-of-resistance

http://dnd2024.wikidot.com/magic-item:sentinel-shield

http://dnd2024.wikidot.com/magic-item:winged-boots

http://dnd2024.wikidot.com/magic-item:boots-of-false-tracks

http://dnd2024.wikidot.com/magic-item:dust-of-disappearance

http://dnd2024.wikidot.com/magic-item:helm-of-awareness

http://dnd2024.wikidot.com/magic-item:pipes-of-haunting

And the ever overpowered.

http://dnd2024.wikidot.com/magic-item:cloak-of-billowing