"After finding that one of the charges against Mr de Souza was made out, the tribunal ordered him to pay costs of S$18,000 to LawSoc, as well as the society's reasonable disbursements'"
The above should be sufficent for him to step down as Dy Speaker and MP.
Had he been an Opposition party member ,we can imagine the fireworks and noise that will be generated by the mainstream media .
I doubt he can survive under LKY