There's a few misconceptions going about regarding Dust 514. I agree it needs a little more work, but it's a beta, and a proper beta not a demo that is tagged as a beta.

Going to the forums will help figuring out what is going on, and I recommend this thread for starters:
https://forums.dust514.com/default.aspx?g=posts&t=56177&find=unread

Also, if you wanna get a little head start, create your character here to get a free AR and a weeks skillpoint booster:
https://dust514.com/recruit/Z0kaJn/