A martial art argument is a comparison that is always terrible, usually by comparing a higher quantity of lower quality to a lower quantity of a higher quality.

Someone that trains self-defense, in order to defend themselves or others.

A bunch of weirdos who follow Martial and say he is the best player at Man United.

Something that will most likely never happen in the US, as it would be considered highly unconstitutional.

COVID-19 happened, and Martial Law was never declared.

The massive Floyd protests also happened and Martial Law was never (officially) declared.

Martial Law would probably only be used as a last resort, as there are many better alternatives in this day and age.

An online discussion about someone doing sth. considered bad by most people. Many people will immediately bash the person with rude sentences, swear words, sex references and death threats.
Usually people just look at the few lines of text and the blurred photo before making their word. Sometimes suicides are caused by them.
It's like a court martial, only it is online.