Robert O'Neill -- the guy who killed Osama Bin Laden -- ain't joining the Nike boycott ... and says he thinks people are making too big of a deal out of Colin Kaepernick's kneeling demonstration.
The SEAL Team 6 member was out in D.C. and says he sees both sides of the argument when it comes to Kaepernick ... but at the end of the day, he ain't torching his beloved Air Jordans.
"He says it's for awareness for police brutality. I know a lot of vets are insulted. I wouldn't [kneel] personally but I'm a white guy from Montana.