Chess champion Magnus Carlsen disqualified from tournament for wearing jeans
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This shows that FIDE is actively going after players for playing freestyle. Carlsen was rushing from a lunch meeting and given an unreasonable ultimatum to change immediately. The governing body's inflexibility and approach to dress code enforcement demonstrates poor treatment of players and excessive bureaucracy.
The dress code regulations are long-standing, well-communicated rules that are designed to ensure professionalism and fairness for all participants. Carlsen was given ample time to change, and the rules were applied equally to all players. Quitting was smart as there was little chance that Carlsen could have defended his title.