It's a valid point, although probably not in the way the young man intends it.
In the interest of remaining fair and balanced, media ultimately has to appear biased, if the supporters of the issue are... unbalanced in appeal.
I think this is less of an issue with Brexit, as one can make a cogent argument for Leave (although that doesn't seem to be the popular argument).
But for something like chemtrails? How could you possibly hold a "debate" that a believer couldn't look at and say "You're just biased against my side?"