I dont read Mandarin. Just like shares, property, gold, currency etc etc, all types of investments carry element of risk taking. In general it depends on your investment time horizon. Even if you can wait for 10 years what good if the shares is delisted?
PRS is actually UT with certain benefits eg tax allowance deduction up to RM3000. I invest in UT and they have performed very well for me! Lets say eg your income tax bracket is 25%, you save or gain RM750 immediatedly! And you call that bad???