There is a lot of cognitive dissonance regarding masturbation being the cause of phimosis. A lot of people think they can excessively masturbate and still cure it. You can’t. See my blog: www.uktightforeskin.blogspot.com
Even the guy at phimosisjourney.com who cured his was listening to my advice while he was stretching so probably followed my advice which is what actually cured it.