Has Hansi Flick been good at Barcelona? Why coach's legacy, tactics are complicated despite La Liga dominance

Hansi Flick has led Barcelona to clinch the La Liga title, marking a successful spell for the German coach at the Catalan club. Despite the league dominance, Flick's legacy and tactical approach are described as complicated, suggesting mixed results or debates beyond the title win. His achievements make him a notable figure in football for several distinctive reasons.