Why do some people add your Wechat but don't greet or reply messages?
I am part of a large Wechat group with many Chinese undergrad students. It was a nice to receive Wechat message invitations as I was hoping to expand my network, but these people don't reply or say hello. Can anyone tell me why this happens?
Edit: I'm a chinese person, this is in a group for a US university, so fear of language barrier should not be an issue. I was thinking there was a cultural thing I'm not familiar with?