My point is that a marriage certificate is a contract with the Government.

If someone does not trust the Government, then they won't want to engage in such a contract.

If a Black person distrusts the police, the criminal justice system, the court system, the economic forces of banks, corporations, poor public schools, taxes, etc. they will be less inclined to trust the government in their personal relationships and have control over marriage, divorce, and their finances.

There are many divorced men who vow to never get married again, from what I've heard.

The incentives to get married are no longer there. There are more incentives to remain Free from a government-sanctioned and enforced partnership.