The problem is the video doesn't give the basis for the statements made.
Seriously, if that bothers you so much, why don't you just ask Mirko and Lina? They're pretty easy to find out, have publicly available means for being contacted, and appear to be overall decent individuals that are not out there to heap slander upon other corporations.
You found a throwaway statement in a YouTube video, and you want to open a libel case for it on Photrio? I'm ringing the Supreme Court of Internet right away, sir.