Sure he can have an opinion and say what he believes.
But, when he makes PUBLIC statements, other people have a right to draw conclusions from his statements, and to decide to support or not support his organization.
BOYCOTT DaimlerChrysler.
Check out the minivan ad where the brain surgeon is doing surgery on an SUV owner who sounds like he has an IQ of about 70(white male, no risk of offending anyone). Last time I checked, Chrysler has an entire company line which makes nothing but SUV's!(jeep) Still, they don't mind saying that you are dumb as a box of rocks to buy one.