CGI is never gonna be 100% convincing and I think you gotta take that with some grain of salt. Some CGI is better than others, but even the best are blatantly obvious. If Avatar/Jungle Book is the best CGI there is, and they both still look like cartoon, then you just gotta care a little less about it.
About Warcraft supposedly ripping off LOTR, you can say that about anything. LOTR is such a defining piece of literature (and film) within the fantasy genre, that anything that followed could be described as a rip off. Does that mean there should never be any more fantasy films?
I just think you're being a little too harsh based on TRAILERS. Maybe we'll agree to disagree. I don't think the WC-trailers have been amazing or anything, but coming down THAT hard on the trailers when garbage like the new Ghost Busters trailer exists is just weird.