Why do people on here be such asses when answering questions?

because they are bored?

We need an example to provide a more specific answer. I looked at all your questions & they have satisfactory answers or at least-genuine. One person said shut up as part of an answer but it was intended to mean be quiet. If you mean are there vandals-sometimes, but they are dealt with & answers removed. We ask users like you to improve answers and report suspicious activity as an invalid answer can be removed by anyone. A question to you would why would you accept/see an answer like that & do nothing. I am not vandal