There's nothing really new in that article. Substituted players have always taken an age to get off the field. Goalkeepers have always taken forever when they are winning.
As for methods of play, it depends on the quality of player you have in the squad. When your left side has Pixie and Kirk, your right side has Perry and Dale, with Wintle pulling the strings, it's easy to play possession football. When the quality dips a bit, it would be counter productive to turn to old Wimbledon type football.