i am in no way expert on Mok Ga Kyun, what i say is:
- i have never seen Mok Ga Kyun set with any other kicks than those who are in the other Southern systems and "fit" the structure of the Southern systems; i may see just basic or intermediate set as you said, if you find a footage of an advanced set, which has something else than what we can commonly see in Mok Ga, please share it with us. i will scan the article on Mok Ga kicks i have and post it here (or better in other thread, not to hijack this one).
- kicks in many of the Southern systems are not used as often as in other systems, there are even systems with just few or no kicks, just like "old Hung Kyun" (Lou Hung Kyun). most, if ot all, are aimed at the low gate (knees, groin, soft ribs, daan tin).
two stories, food for thought:
in HK, my sifu was showing to my gf brothers from Canada how to deal with a Muay Thai low roundhouse kicks to the leg and the body. his father, Grandmaster Lam Jou, came out of his office, and said: what is this, this is not the way how low kick, we have our
ngau sou geuk, this is Taai Gok Kyun (= Muay Thai), are you teaching Taai Gok Kyun?! my sifu said: father, i am just showing them the counters and explain the strong and weak points. ok than, good! said Grandmaster.
on one of the local forums, one guy who currently studies traditional Goju Ryu Karate in Japan wrote: during last few years, i have kicked thousands and thousands front groin kicks. in the sparring with Muay Thai guys, my mae geri vs. Muay Thai roundhouse kick works perfectly.
my point is: in our Hung Kyun, we have long - midle - short range techniques, we have kicks - strikes - takedowns - submissions, we have fist, palm and finger strikes, we have straight - circular techniques; and it is definitely not just a bunch of techniques put together by our ancestors, but a clear and logical system (ok, at least to me).
we should concentrate not on the technical side of the art (as it is in no way inferior to other MA), but on skill, on making these tools work, ie. spend time on conditioning and strengthening. the other MA are not good beacause of what they train (ie. roundhouse kicks, takedowns, boxing combos or ground game), but
how they train.
in some respect, i teach very differently than my sifu, or do things differently than my sifu, as i am me, gwai lou in a central Europe, teaching bunch of other gwai lous, having my own experiene different from his, but i teach the art he has taught me. if i would not, i could tear down my Hung Kyun sign and put a new (MMA) one. adding some words to my vocabulary, change a pronounciation or accent, or add an exercise to my text book, why not, but adding words from pidgin English or different language would just spoil my grammar (which is very bad indeed

) that i am trying to improve.