Pep is indeed, and he was influenced by LVG, Cryuff's and even Koeman's legacies, he just added more to the template. The genpress high line aggressive approach is what what most succesful clubs are utilizing these days, forgoing as much emphasis on possession as Pep does. Even smaller clubs like Southampton and Brighton have moved in this direction (Southampton since the days of Pochettino). That's all I was saying
For the part in bold, none of the Dutch managers that have managed in England bar Hiddink during his two interim spells at Chelsea have been successful, and all but one (Martin Jol) had a penchant for possession football