I didn't see anybody calling that guy a hero. I saw one OP with a video of him getting arrested (I think that is who it is, I didn't do any real research)
I am curious why you used that terminology/description. I watched the video as well. It looked to me like he was pretty much falsely arrested. The cop that stopped him is a menace, way more dangerous to himself and others than this clown appears to be. If this man and his son were as dangerous as that cop wanted it all to look like he (the cop) would have been dead. The two armed citizens had to HELP the cop cuff and de-arm the father. It looked like a lesson on how NOT to do an arrest of an armed suspect. yikes! 
edit to remove the comment that was related to GD, where I thought I was - sorry about that, found this on the latest page, I guess I should delete the whole post...let me know if you want me to do that or reply as you wish. 
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