1) The origin system is a huge letdown.
The fact that there actually are preset character is pointing to a direction that's just plain bad. I too thought the "tag" system would actually be the only system, and that you'd be able to pick several tags and go from there, but nope.

3) I'm pretty sure in the end the system won't be that big. The thing is, since they're trying to redo the whole combat shenanigan, a lot of energy will be placed there.

That's actually what scares me a little, how a lot of things are going back to square one.
Combat was good the way it was, sure, there was too much CC, but this could have been handled, so we're going back to creating a whole new system.
Skills was not that bad (in the first opus even), in EE there was a first wiping of skills, and now there's even a whole new system imagined with the skill trees and all, for what purpose? Who knows?
Split screen coop? Nope, let's just remove that altogether.
Graphics? Let's do something more serious.
And the list goes on and on.

I was advertised a D:OS 2 who would be the continuation of the first opus with new stuff, and I must say I'm pretty disappointed where this is going as of now