It is not wise to criticize another’s Way. There are reasons for each man to have his own. Ask someone a question and get an answer. Ask the same question to another and get another. There is no need to examine the doctrines of another school of thought, come to terms with the doctrines you are studying. After seeking a teacher, you may come to understand the realities of what it is you are studying. When you feel that something is missing or in stasis, you must of your own volition seek the next level of instruction. There is no such thing as Yin-Yang, not to say that Yin-Yang does not exist.
The 2013 Go Congress isn’t until August.
But that doesn’t mean one shouldn’t prepare.