Maniac miaN, let me try to explain since I definitely am one of those. You may not agree to it but do keep an open mind.
I had a very good friend few years back. Like they say, "yaaroN ka yar". hans mukh, shughlia, jolly typa guy, kind hearted, nice, etc etc. We used to hang out quite often and spend a lot of time together. As time passed by, some of his personality traits started bothering me. He was in a way "emotionally dependent". He also had a certain trait of "mooching of" on others' pity. It was overbearing and overwhelming on times. I, and few others, put up with it for some time but there is always a limit. Slowly but steadily we fell apart. His company was not all that pleasant enough anymore even though we still considered him a nice guy.
I see a lot of such examples here on gupshup. It goes towards basic human psychology. There is positive enforcement and then there is negative enforcement. They both can be equally effective. I've seen a lot of threads or topics where it is quite clear that people are simply seeking sympathies. It is ok to seek sympathies. I do that a lot of times myself. Sometimes you just want to vent. But one must not "mooch of" on sympathies. It is not healthy. I think people who always try to be nice and try to give advice for the sake of being nice and civil, regardless of being able to comprehend that where the other person is coming from do more harm than those who may simply leave a one liner saying, "get a life". When you're letting someone mooch of on your pity or sympathy, you're allowing that person to wallow in his/her pity. It only makes it worse. It does not solve anything but rather becomes part of the problem. That is why people do need "rude awakening". When you give them rude awakening, it gives them the "electric shock" to reavaluate what they are saying and think about it before saying it. If they, hopefully, develop a habit of thinking about what they are saying, then it helps them realize their own weaknesses, or at least, what's more acceptable and what's not and behave accordingly. Which itself, in the long run, pays off.
Like they say, even God doesn't help those who don't help themselves. A person must show first and foremost that he/she is trying to get out of the situation instead of just coming here and putting up a sympathy-seeking story expecting everyone else to say "oh, I'm so sorry to hear that hugs" or "it's not your fault" blah blah blah.
Now, a lot of people just post away to vent out. Which is again fine. But if you're just coming in here and venting out then there got to be something wrong with how you approach life. You then, again, need an electric shock.
Some lesson in life can only be taught with compassion and love. Others require much more different approach. Both approaches are equally important.