WHEN a workplace ignores minor safety shortcuts, workers slowly accept unsafe acts as normal. In high-risk industries, we call this the normalisation of deviance – a dangerous psychological drift where something completely unacceptable quietly becomes standard practice simply because “everyone else is doing it and nothing has gone wrong yet”.
Human psychology does not change just because we step out of an office and onto a grass field. When over 25,000 football fans turned Kuala Lumpur’s Dataran Merdeka into an open-air stadium for the 2026 FIFA World Cup final, we saw that exact same systemic hazard play out on a massive public scale.
Because Dataran Merdeka is an open public square with unrestricted walk-in access from all directions, controlling the massive influx of people was always going to be a challenge. When the final whistle blew, the historic square was left buried under a sobering blanket of disposable food packaging, empty drink containers, and temporary ground covers.
Ministers like Hannah Yeoh and Kuala Lumpur City Hall rightly voiced deep disappointment, but anger alone never changes habits.
The core issue is rarely pure malice; it is a powerful psychological trap.
While slow normalisation builds over months or years, a massive, high-energy crowd triggers a lightning-fast version of it – what we can call situational desensitisation. An individual stands up to leave, looks down, and sees a discarded wrapper right next to their foot. In that split second, the invisible threshold shifts. Instead of trusting their own internal values, they look to the crowd, conform to the immediate environment, and commit spontaneous non-compliance.
What was unacceptable behaviour moments ago suddenly feels normal because everyone else is doing it.
If we want to fix this, lecturing citizens after the fact will never work. Industrial safety professionals know that telling people to “be careful” or relying purely on human willpower always fails unless you build robust, proactive barriers.
Organisers must preemptively disrupt this downward crowd drift by making powerful pre-match announcements that frame keeping the venue clean as a shared badge of honour and collective pride, rather than treating waste management as an afterthought.
Beyond that, we need strong, practical interventions: embedding positive peer interveners – such as community volunteers or auxiliary units – directly into the crowd to actively encourage cleanup before people disperse, and setting up high-density disposal points within arm’s reach so doing the right thing requires zero friction.
Another practical method used in high-performing safety operations is the “Pledge and Accountability Tag” system, where entry points require fans to collect a biodegradable trash bag or tie a quick pledge token to their wrist, linking their group identity directly to keeping the space clean.
We often look at disciplined examples like Japanese fans who stay back to clean up after themselves at international stadiums, praising their culture as if it were magic. But true culture is built on shared accountability and active intervention. Kuala Lumpur is our shared home, and keeping it clean means stopping bad habits collectively before the crowd mentality takes over.
CHIN YEW SIN
Shah Alam
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