There are many who believe the fundamentals of religion are the glue that holds society together. Many (the vast majority?) parents want their children to follow religious teachings to help them to guide their children along a path that doesn't involve crime, gangs, drugs or risk of harm.
Crime is a huge factor in a society where many people just don't make enough money to live reasonably well. A society that doesn't really provide any welfare for people with mental health issues who can't work, for children with special educational needs, for people who get sick or have to care for a sick or elderly relative etc. . Religion is seen as a way to support the family unit along with all other reasons people have for spirituality in their lives.
We cannot separate things in to tidy little compartments as that is not a realistic view on life here at all. Religion is a massive factor in the well-being of Indonesian society. The mosques, churches and temples are almost always the first to jump in with aid when a disaster strikes - be it a landslide, earthquake or just the old lady up the street who doesn't have money for food.
Trust me on this, I am in no way shape or form in to any formal religion, but I can see the value it has here for the vast majority of people in Indonesia- the price being conformity- is it worth the balance? I think so if I take my own ego out of the equation.
On religious education in schools.
I would love there to be more focus on the academic tasks in schools and maybe sideline the religion (and Scouts) to fit in around the curriculum but that will never happen. Probably at this stage it shouldn't because the infrastructure isn't all about generating wealth, it is equally about fitting in, about family (look at western society where it is pretty much the done thing to shove the elderly relatives into some impersonal care home, where the kids don't have a parent at home because parents need to work to pay off all the debt, in contrast in Indonesia it is often the grandparents or aunts that provide the childcare or the
pembantu in wealthier families. Anyway- I won't rattle on about that).
Parents want the schools to provide religious education. They also want their children to fit in within their society.
This is a massive part of Indonesian culture.
We have to understand that for a huge part of Indonesian history the populace have been repressed and their behaviours controlled.
That has a long term generational effect. Trans-generational or legacy trauma is a thing.
https://www.apa.org/monitor/2019/02/legacy-trauma
Where we foreigners go wrong is when we come here with our values instilled elsewhere and believe that we know better.
I deal with over 600 kids every week, there are a mix of religions and these religions are catered to in their educational environment. I can pretty much guarantee that if religion was taken out of the school, the parents would be looking elsewhere for a school...that is just the way it is.
Personally, I feel privileged to have been able to spend so long in Indonesia and I try to observe from the sidelines, I love to see the progress and changes that are slowly working their way through the country. I help out where/when I can but I do not feel the least bit qualified to think that I know better than the people who have been here for generations.
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Also on a side note, Indonesia is bigger than just Bali and so many people on here seem to forget that fact.