My guess is that companies are opposed to the right to repair less for the loss of revenue which is likely relatively minor but more for the constraints it puts

My guess is that companies are opposed to the right to repair less for the loss of revenue which is likely relatively minor but more for the constraints it puts on design and manufacture. Regulating how something is made to make repair a priority will require more lawyers to interpret the mountains of regulations thst will sure to follow, severely cramping design and the pace of development.