Yes because of consequence if gagal. Like if get accepted for masters program to specialise if pull out they are financially fucked big time. So there is time and money risk to specialise also not mention bond.

Not easy to go further specialist

Malaysia specialist in Gov UNI only have 10 seat per year ( per specialist)  and there is also unwritten rule as well.

if you go for private paper is expensive i heard 4 -5 per paper so if you take 10 paper is 50K  assume you pass all paper in one sitting which is also not easy.

Most who do private paper move to oversea because its globally recognized