Ordinary people have extremely limited cognitive abilities and are indifferent to things unrelated to themselves.
For example, they forget the problems the teacher lectured about just yesterday.
People they met yesterday are completely forgotten after a bout of drinking.
They claim they're going on a diet while simultaneously snacking voraciously.
Opening the QQ Zone, they find youthful messages that they have no recollection of...
Whatever changes happen in the outside world mean nothing to ordinary people.
Having one more person or one less around doesn't evoke any feelings in them.
The four girls from the literature club surround Wang Yunxiao every day calling him 'Daddy', and their classmates see this as normal and pay it no mind.
He Lan comes bearing a child within her and seeking refuge with Wang Yunxiao, which seems to be quite reasonable and not worth any sympathy at all.