Aether is very well used, since it's the prime element to rule them all. I'm totally unbiased. whatifidogetcaught? is referring to your use of Mindgate, which is indeed not very commonly used, at least not competitively. It's hard to build for, but there are many situations people forget its usefulness too.
By the way, you should use the Modify button by your post if you want to add more quotes and reply to more people in one post. Double and triple-posting is discouraged.