We're all part of society and should play our part in its collective responsibilities as well as influencing or changing its structure through reasoned persuasion for the common good of all.

The juvenile pastime of bellyaching or denouncing the status quo without presenting a realistic alternative is akin to a spoilt brat winging about having to go to school.

We are locked into a state of mind influenced by society

That is a question you need to take up with Segregationist of the Regressive Party.

The society one lives in is one influence of many environmental influences on a persons state of mind. Other influences, such as education and different societal exposure, will often cause a person to challenge the prevalent view within ones society.

Understand that you are a slave. Accept it, know your boundaries and be the best law-abiding citizen there was and unleash the law on any who try to break it to surpass you. This is the optimal strategy.

Society sets the parameters for what is considered to be acceptable speech, and hence speech can be and is limited by these parameters. Unfortunately, since our society is hierarchical, it means a very small section of society ultimately decides which speech it likes and which speech it doesn't.