Patrick never put 4S in his programs though it was made known he practiced it. The writer was mixing things up. However, I remember some of his fans felt he had been too open about his training, how he acquired and improved his skills, the mental preparation, etc, IOW, "trade secrets". While some haters focused on twisting and putting his words in bad lights, I've always felt other skaters could really learn from studying his revelations. Of course, there is the general factor of his raising the bar and others closing the gap. Once a pioneer breaks a belief barrier, others quickly make the previously impossible achievements readily. These days, the young phenoms acquire skating skills and quads at a very early age, partly also because of more advanced training.
Of course, Patrick also lost some PCS advantage as I expounded earlier. He is so much better in many ways but they are not reflected in scores. Quads are the big scorers and offer huge advantage to those with multiple quads, in variety and number in their programs, if they land them.