So far all those who invested and lost monies thru Sinkie bank and end up suing them LOST their l court case.
Reason is that the banks documents that you sign literally protect them from almost anything..
Most investors do not read the fine prints and even if they do cannot understand them or afford a lawyer to advise them.
This is where the Consumer Association and other groups that are supposed to protect the ordinary man have failed-eg your symbiotic trade unions, SIAS ,opposition parties ect2.
unless there is a change of govt, things will remain status quo or worse-as what do you expect from a govt that increase water prices by 30%