why do so many Indonesian players cheat?
Your account is old enough for you to know where this should go.
https://www.chess.com/club/cheating-forum

For goodness sakes they are not cheating. Why is everybody accusing each other of cheating? Good sportmanship requires giving people the benefit of the doubt.

https://support.chess.com/article/648-what-do-i-need-to-know-about-fair-play-on-chess-com
If you think a member is using disallowed resource, you should report them. However, discussions of cheating, potential cheating, or cheat detection are not allowed in the general forums. If you would like to discuss, join the club linked in post 2.