Why ReCAPTCHA Is Spyware

They're not wrong though

While this is true, I see no reason why the contents of the rest of the video might be untrue or affected by the sponsor.

It would have been better for the creator to use a different sponsor for the video, or choose to not sponsor this video due to the journalistic value of the content. They have also adressed this in the pinned comment under the video, stating that the sponsor didn't get any editorial say.