I've noticed this too. Only time people talk is when stuff goes sideways. Like going into a lvl 40ish instance with no healer and blaming the devs that they can't beat the final boss.
So i was doing some quick math on how much XP it will take to level stuff to all the way to 20 based on the table here http://neverwinter.gamepedia.com/Profession#Experience and it comes out to 192,000 total XP(in my estimation). Presumably most of that you're going to be do with 5 crafting slots (Character lvl 10, 30, 60…