The coach has a great responsibility in managing the team, of course that is a task that is paid handsomely by every football team. The success of the team is the success of the coach, it is interrelated.
Manchester City management has always trusted his managerial experience and abilities from the first day he became the manager of the side and has given him every financial support that's needed to build the team to the level it is now. Pep Guardiola has repaid the trust and support of his employer by winning major silverwares over the last 5 years he's managed them
Pep Guardiola is an amazing manager. Their success in this regard is already enough to tell us this. The fact that they won the triple trophy with Manchester City last year proved this once again. They left one of the biggest tournaments in Europe and one of the biggest in the world as champions. He will probably continue to coach at Manchester City unless he wants to leave Manchester City anymore.