Seems easy for you to run down someone who has a good reputation and a resourceful staff. So, what kind of expertise do you have with vinyl siding? Sears siding, in particular? I guess your suggestion it for her to paint and paint and paint and......
By the way, there are contractors who sell Plastic siding and Extruded Plastic siding products and they do look like plastic. Why don't you get some knowledge of the products before you go running someone else down or questioning their ethics. I can not see where you have assisted Lisa Lee any any way except to try to tell her that she is getting biased advise. That, from someone who does not provide any basis for expert status.