Crafting is one of the most important parts of Star Wars Galaxies. Need some convincing? View the following list and see if you've used any of these when playing in the past 24 hours.
Armor
Backpacks
Clothing
Droids
Food
Furniture
Harvesters
Houses
Medical Supplies
Painting Kits
Repair Kits
Ships & Ship Components
Spices (will be changing with Smuggler revamp)
Vehicles
Weapons & Weapon Power-ups
One of the unique elements of Star Wars Galaxies is that almost every usable item can be crafted by a player. It's quite a complex economy and, for the most part, it works well.