"It's just the ones you don't agree with that don't have valid arguments."

As far as I know.  It's not clear to me at all who is right in this matter, or more accurately, "righter."  

"Which turns your arguments against protesters into just your personal opinion and has nothing to do with factual arguments."

It is my opinion and I've been given no reason to doubt its general accuracy.  

"So Bronson, Here's an extremely intelligent famous so called protester Winona LaDuke providing valid arguments and intellectual defense for the Water Protectors position and proving you're absolutely wrong."

I watched the video and I didn't see a compelling argument.  Could you summarize whatever you think is her best argument?  I saw a bunch of unsupported assertions about environmental damage but no compelling argument for why this pipeline in particular would be more prone to leakage than any other pipeline.