You have a point that it can?t be use in all jobs, however in all jobs where u make something to sell it.
The smith will probably as u say be a quite a popular job if u look at those who are playing now (more dedicated player) but I don?t think that it will compete whit warrior mage thief and healer.
There are many jobs that I think will have very few players Potter, Glassmaker, Leatherworker, Tailor, Jeweler and so on
If the npc-trades and workers aren?t able to be as good as real players the real players will have a bigger market and less competition, and make more money and that make those jobs more attractive to play.
What I want is a living game and not a game where 95 % are playing a warriors.
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Personally, I\'m always ready to learn, although I do not always like being taught