In my opinion if youre a very focussed person and want to stick to only one type of course and you really want to excel in a specific career then go for foundations. But if you cannot do it then sorry la my fren have to start from scratch which of course no one wants to do...

if youre fickle minded and a loaded person then go for STPM/A-Levels. This is like a cushion for when you decide you cannot do a certain degree course. you can just change degree course if you dont want because you got teh qualification maa...