Compare these statistics with the narrative promoted by the MSM sources featured on YT's "National News" channel.
Yes, those who downvote self-select as those who are willing to downvote. I find it illustrative that you need to dismiss them as, "excess idle time YouTube arrow clickers". Couldn't the same be said for the time you spent writing your comment here? Does your characterization of their idle time make their opinion less valid?
>profoundly deluded...
Perhaps instead of trying to dismiss this dissent as part of an echo-chamber, you might look in the mirror and ask if your perception of these issues is governed by your own echo-chamber?
It is a bit rich to step into this discussion on these terms. The topic is the MSM echo-chamber and how it is out of touch with a large portion of viewers. Removing downvotes is perceived as a defense of this failing paradigm.