Pep Guardiola has dominated football so much because of his style of football and the truth is that the young managers who learnt from him has every tendency of succeeding in football as managers so that's why they're getting job offers from the best teams in the world. For instance, Mikel Arteta learnt from Guardiola when he was his assistant manager at Manchester United and after few years, Arsenal signed him to come and improve their performances and also make the club competitive again. Arteta arrived Arsenal as a young manager who's yet to manage a club's top team in his managerial career but because he learnt from Guardiola, he's been Manchester City's strongest contender in the league for the past two seasons.
Bayer Leverkusen manager Xabi Alonso learnt from Guardiola though for not too long, recently signed Chelsea manager did work with him in the past and Bayern Munich's latest manager Vincent Kompany also learnt from him and it's believed that they'll all become future great managers
Don't forget that Erik ten Hag is also one of Pep Guardiola's students. because at the beginning of Erik ten Heg's career in the world of coaching, we know that Erik ten Heg was a coach at Bayern Munich II for two years. And at that time Pep Guardiola was the coach of the Bayern Munich first team. So Erik ten Hag learned a lot from Pep Guardiola at that time. And this is what makes Pep Guardiola a great coach. And he is indeed a role model for all coaches in the current era. And now there are many young coaches who are successful in managing their clubs thanks to having learned from Pep Guardiola and the most famous is Arteta, who was Pep's assistant for quite a long time before Arteta finally became Arsenal coach.