People who are rich don't claim to everyone they are rich. People who are smart don't claim to everyone they are smart. People who are good looking don't claim to everyone they are good looking. People who are good don't claim to everyone they are good. It's usually the ones who are none of those things that feel the need to claim those things.
The trolls (anyone who disagrees with you) aren't looking for you to answer them, so they could care less if you ignore them or block them. What their intentions are, is to debunk your uninformed opinions. I would say they are very successful at that.