Why are Google and Amazon investing in Indonesia’s tech unicorns? Because Alibaba and Tencent are too
https://www.scmp.com/week-asia/economics/article/3111466/why-are-google-and-amazon-investing-indonesias-tech-unicorns
Indonesia has the largest population in South East Asia. And, most of the regional companies do not have worldwide networks. These 2 reasons would be why many tech giants are investing in Indonesia's tech companies.
But, when we consider that Indonesian government may want to grow technology in Indonesia, overseas tech giants have to pay attention to leakage of technology.