Why do Indonesians prefer to have a vacation to Singapore, where the daily price is more expensive than Australia?

 Why do Indonesians prefer to have a vacation to Singapore, where the daily price is more expensive than Australia?

1. Airfare cost to Singapore is cheaper than to Australia. Flight to Singapore can cost as low as IDR 800,000 roundtrip (About USD 75)
2. It only takes 1 hour flight to reach Singapore while flight from Jakarta to Sydney takes 6 hours
3. Indonesians don't need visa to visit Singapore, while it cost $100 to have Australia's tourist visa
4. Singapore is small so that tourist can explore it in 1 till 3 days. This can be an efficient option for Indonesians since leave days in Indonesia is really short
5. Public transportation in Singapore is well connected and quite affordable, making it easier to be explore comparing to big cities in OZ like Melbourne, Sydney, and Perth
6. Singapore has great culinary scene with great variety of halal foods, which suitable with Muslim travelers from Indonesia
7. Few Indonesians have relatives in Singapore and many upper class Indonesians have apartment in Singapore
8. Malay language are still used in Singapore, making Indonesians that don't understand English more comfortable when exploring Singapore
9. Singapore climate is same as Indonesia, so that Indonesian tourists don't need special clothes to be prepared
10. Sometimes gadgets/electronic appliances prices in Singapore cheaper than in Indonesia. The specification often more advance. Therefore many Indonesians go there to buy that stuff