Question

no one is perfect in their life then why they comment the people

Answer 1

U r very much correct that no one is perfect in their life....but everyone has a habit to comment on each and every thing....and they even dont luk at themself....they just hv to comment on others and nvr cares or luk about how they are....

Answer 2

There are mainly 3 main reasons for this-
1) they are jealous of that person
2) they have less achievements than them
3)just for a time pass ...