It has no survival value.
People believe in in all kinds of things which others would consider superstitions. In most cases it does no harm.
You should not believe in Superstitions. Superstitions is the product of ignorance among people. Many superstitions are not true.
Yes, anybody that wishes to believe in superstitions can.
People believe in superstitions because they are driven by fear.
I don't think so. These are just superstitions and its not good to believe in superstitions.
Possibly because they were religious. People who are not religious do not normally believe in superstitions.
There are many superstitions regarding dragonflies in folk culture. Many people believe that the presence of a dragonfly means good luck.
I do not believe they are true.
Superstitions are beliefs supported only by rumor, not by factual observation. Rational people therefore do not believe such things.
because
I believe that the superstition is that wherever it makes its nest, good fortune comes to that place. i.e., it is blessed.
They don't really. People who believe in superstitions are more prone to believe in the haunted houses thing than people who don't.
Yes, a lot of people still believe in superstitions, despite clear and contradictory evidence (or rational explanations for the origin of a superstition).