As stated in your document adherence is voluntary. I do not like to see Our Flag disrespected.
However if you really feel you need to burn, step on, roll on the ground with it etc it is covered by freedom of speech. The flag code is not a law but a suggestion. In my opinion if you choose to disrespect it you are telling the citizens of this great nation you don't think the sacrifices that brought about the nation, the bill of rights, our constitution or, the people who sacrificed all for the nation are not good enough. My hope before a person gets on their high horse and disrespects the flag is to ponder the framers and founders of the nation. Would they approve of your "revolution" or would they think you are being an idiot?