> Why should anyone listen to the arguments of hypocrites?

Because even though they might be hypocrites the may offer good arguments. And while I understand the point of the JD employee myself (I also work writing software for vehicles) and I think he speaks honestly, I think that goods should be easy to fix and all the means fo this should be at the disposal of whoever needs it. Reconciling safety and the need for open software (because this is what is basically boils down to), right to repair and right to modify is a real issue. One that should not be invalidated necessarily by personal traits of a subset of supporters of either side.