Flame Wizards and Ele Wand 1

Of course you can leech a KoC. What he's saying is that they'll end up leeching OTHER people, and since it's insanely easy to make one and get it to 120 (which by that point they'll already have had Meteo for 20 levels), a LOT of people are going to make them to sell leech.

Exactly. Also, it is easy to corner a market with this because there are so few Elemental Wand 1s.