There's definitely a scale for curiosity and self-inquiry. Some people actually have very little going on there.

If they heard from the CEO specifically, it was probably based on the CEO vibe checking the resume as a last step after passing the entire interview process. The CEO may have spent 15 minutes on it.

I'm guessing it gets overrun by spam, scams and porn bots even faster if its a low budget community thing.

Its less funneled although most straight lines will approach the southern tip of India. Singapore is one of 2 possible ways through Indonesia and its the shorter one.

Look at the map, all ocean travel between East Asia and India/Europe basically has to go past Singapore. They've been a trade and financial center with a substantial chinese population for a long time.