i fully agree with both of you. i too was disappointed because i hear on autogeek kaio by itself lasts long (6months) and the addition of KSG makes the klasse combo last up to/over a year. i only know to use 2 coats for durability and extra cleaning because i purchased my kaio from pakshak and...
if you reread the instructions it says to lay down 2 coats to leave acrylic protection because the first is mostly doing chemical cleaning. you will not get 6 months out of 1 application of kaio. i never wait 6 months between cleaning but i could easily see it lasting 3 months after 2 applications.
02nissanisr's blue car is a honda. im not sure of all mazda paints, but on the whole they are harder than hondas super soft paint. ultimate compound is definitely 2-3 notches down from m105. might be hard to compare the two.
im sure if the op went over a couple more times with 105 and the pc...
im opposite of the OP, i want to melt hard wax like m16 into a dodojuice supernatural deodorant looking machine stick contraption. so i could apply it to a pad easily without dealing with a butterknife or credit card, and soften up the wax a little at the same time. Im the MAN