Apart from the sharp rebuke against two PAS leaders trying to stoke up religious politics there.
Perhaps we can explore how their elections are done. One way Singapore discourages racial politics is to have multiracial Group Representation Constituencies (GRCs).
In Malaysia, politicians who represent seats mainly of one ethnic group often push narrow racial issues.
Perhaps having multiracial group seats or GRCs will encourage them to talk in a more multiracial way?
This mechanism may also address the blatant imbalance between urban and rural seats in Malaysia and the attendant racial overtones.
There are wide disparities within Selangor itself. For example...