What's so bad about CGI?

I personally dislike CGI overuse because to me it always looks like CGI. Practical effects at least give me the impression that they're actually in the same environment as the characters. It's really hard for me to find CGI constructs that don't look out of place in a live-action movie

If it didn't look out of place you wouldn't notice it. So you're judging CGI entirely by its bad uses.