He consults with his own legal counsel and he is told if he says yes, there is a problem because he will be perceived to have taken a position that is intimidating the employees and therefore that position will be used to justify certifying a union even when less than the majority of the employees support doing so.
Intimidating employees is against the law
( z1 oppose :ARG0 ( z2 intimidate :ARG1 ( z3 person :ARG1-of ( z4 employ ) ) ) :ARG1 ( z5 law ) )