That Marine violated an article if the UCMJ (military law) and he got what he deserved.Only a gutless person would willingly violate the laws that apply to them as a member of the US military.The military is not a democracy in can not be due to the nature of military command.
Article 134
"Though not specifically mentioned in this chapter, all disorders and neglects to the prejudice of good order and discipline in the armed forces, all conduct of a nature to bring discredit upon the armed forces, and crimes and offenses not capital, of which persons subject to this chapter may be guilty, shall be taken cognizance of by a general, special or summary court-martial, according to the nature and degree of the offense, and shall be punished at the discretion of that court."
In theory,
Article 89
Disrespect toward a superior commissioned officer. The President of the United Sates is the Commander in Chief of the armed forces therefore whom ever it may may be at any given time
they are considered a superior officer.
Some say that Article 88 applies but that article is directed at commissioned officers the Marine was an NCO.
On top of that there is a DOD directive that further outlines so that no one gets confused what one can and con not do from a political action standpoint as a military member
One of them is that they may not:
Publish or allow to be published partisan political articles, literature, or documents that they have signed, written, or approved that solicit votes for or against a partisan political party, candidate, issue, or cause.
http://www.dod.mil/dodgc/defense_eth...n/1344-10.html
A DOD directive is an order so he also disobeyed an order that Marine is an insult if you as a military member do not like the President then go vote against him.He claims that he did not know but that is bull they teach you the important UCMJ articles that differ from civil law in basic training.My advice to Mr. Stein is to look up insubordination in the dictionary.And I bet that he nailed lower ranking Marines for being insubordinate towards him.