>I think it's the matter of low self-esteem when people can't take a little rejection.
Yes, but this should be seen from both sides of the equation as I think people that needs the twit filter to avoid reading other's people messages also have low self-esteem and character.
"The five senses obstruct or deform the apprehension of reality."
Jorge L. Borges?
"Premature optimization is the root of all evil in programming."
Donald Knuth, repeating C. A. R. Hoare
"To die for a religion is easier than to live it absolutely"
Jorge L. Borges