Is PAINT CORRECTION BEFORE CERAMIC COATING mandatory?

Most reputable installers will recommend or usually require some level of paint correction before installing a ceramic coating . Now the question here is - is paint correction really needed before installing a ceramic coating? You will likely hear different opinions from different sources; however, the fact is that some sort of paint polishing before ceramic coating is the SMART thing to do. At minimum - I recommend at least doing a single stage polish before coating. Why? Because that will help promote better adhesion,