Why do some people here lack courage?

It's the lieberal way.

My man, here is your answer.

Modern culture has taught us that it is bad to argue, that we should want to all get along, enjoy peace and happiness, and sing kum-ba-ya despite our differences. After all, they suggest, our differences don't really matter since what is true for you and what is true for me can be two different things and we can both be right!

Yet, within us, common sense suggest something different. When we are slandered, attacked, insulted, or lied about, we want to confront those who did it and tell them how wrong they are! Yet, on what basis do we call them wrong if they are only speaking about what is "right" for them.

So, the reason people email other people but do not allow a response is that they have thoughts deep down inside of them that suggest that there is a such a thing as objective truth, even though on the surface they have been taught to believe otherwise, and they want to go ahead and express their view as fact for everybody anyway, but are afraid to engage in debate because they might loose and have to accept that they are in fact objectively wrong in the matter.

Long answer but true!

Because people these days don't understand what it means to be held responsible for they're actions. Let alone be convinced otherwise that they are being inept and childish.

These are the same type of people who were taught it was okay to backtalk to mom and dad. Its a lack of respect really.

It might be considered cowardice to say something but not allow the other person to reply.

Why are they this way? Because they only care about their own opinions and conclusions and are unwilling to listen to anyone else who disagrees with them.