Very true there is no permanent champion in football. Manchester City are very strong this season no doubt about it but it is not guaranteed that they will remain champion in the next season because other team will try their best to break the record knowing fully Well how strong Manchester City is.
And what is certain is that all clubs will carry out restorations to see the shortcomings of their clubs and maybe in the next season they will improve starting from the strategy they will plan in matches and try to master the rivals, and maybe in terms of players some clubs will try to improve performance and also will look for players they think are good and have good enough material to improve their performance.