Yu Chien-kuei doesn't deny that these supposedly supernaturally charged beads might effectively spur "psychological healing." But from personal observations, he conjectures that a much higher proportion of those who make attempts at occult empowerment fail.
遊乾桂不否認這些東西也可能產生心理作用、發揮「心理治療」的效果，但就他個人經驗來看，「護持無效」的比例顯然更高。