He flagged some of the problems involved with procuring services from companies, including the ineffectiveness of using scoring systems to encourage businesses to act ethically.
Tynnodd sylw at rai o'r problemau sy'n gysylltiedig â chaffael gwasanaethau gan gwmnïau, gan gynnwys aneffeithiolrwydd defnyddio systemau sgorio i annog busnesau i weithredu'n foesegol.