
WP's proxy is in full gear to play politics of anger and victimization to stir religious animosity between communities.
The Kedah state also refused to gazette it as a state holidays. Moreover, it is not compulsory, the private sector can choose not to observe Jan 24 as a public holiday in the state.
Here is the historical consideration on declared religious public holidays in Singapore:
[any move to reinstate any one festival as a public holiday will invite competing claims, and necessitate considerable renegotiation with all communities. Balancing the wishes of each community will not be a simple matter. Neither can we simply re-allocate public holidays by ethnic group, as amongst both Chinese and Indians we have citizens of different faiths.] -- http://www.mom.gov.sg/newsroom/press-replies/2015/thaipusam-as-public-holiday-mom-replies
source:
[1] http://www.thestar.com.my/news/nation/2016/01/06/kedah-declares-thaipusam-occasional-state-holiday/