Yes. What is difference if he chose one over the other to get his point across? They are both protected by the 1st amendment.
To me it's like saying that a guy who beats up his wife with a bat is basically the same as a guy that yells at his wife.
Yes, they're both forms of domestic abuse but they're issues of completely different levels of severity.
Burning a flag is done out of anger and is usually accompanied by "Death to [America/Israel/Infidels]" chants.
Not standing up for a flag is a protest of disappointment, saying, "I'm embarrassed by some of this countries policies, why should stand up and respect it?".
To answer your question with snark, liberals and conservatives are all saying the same thing, after all their speech is protected by the 1st amendment.