Common meaning:

To take something apart permanently or temporarily.

Hidden meaning of the Equity religion: 

To destroy the systems of dominance that are part of liberal society.

Discussion:

The Equityists believe that the only way to achieve a world of equality is to dismantle the systems of dominance woven into the fabric of the West.

Dismantle is a word that Equity believers use when they know that others would oppose them if it became known what they really intend to do. Using this word provides any unbelievers listening, with the idea that they are going to take things apart and then rebuild them better. In reality, they are going to burn everything to the ground.  The long-term goal is to destroy everything in the liberal West including: Education, Law, Christianity, Media, Family, Science and Sports. 

When, during the second world war, Jewish communities began to hear about the extermination camps, many of the people in them refused to believe it. Surely no one would ever intentionally destroy so many people. 

Today, there are those in the West who refuse to believe that the true goal of the Equity believers is the destruction of the entire society. Surely no one would ever intentionally harm so many people; but when you see this as a religion it makes sense. The evil oppressors must pay for their crimes, and this means the evil societies they have created must be wiped out.