Earlier quoted context omitted.
Yes, there are plenty of ways to communicate with younger people. But I am talking about, for instance, my grandpa. Many people in China (including my family) aren't so "cosmopolitan" and only use WeChat
I know this probably sounds ridiculous to some, but you could also use the phone to make a phone call.
You statement doesn't sound ridiculous, just uninformed and lacking awareness of how people communicate in China.