After all, if Timeless Truths are said to be proverbially etched in stone, what is one to make of knee-jerk bromides scribbled on cardboard and marched around High Street, just to be discarded into the gutter an hour later on the way to The Gristle for Social Hour?
The price you pay for your crayon and placard may have been chump change — nay, free, if indeed Free Speech is ineluctably free.
But the cost of credibility proves too high a toll when Ventilated Feelings fall flat in the eyes of John Q. Public, who knows that informed persuasion trumps emotional, low-value pleading.
To state the obvious, the price for anyone to open their mouth is cheap. But whether your words become an expense to your appeal, or become an asset to your very assertions, the cost is commensurate.
[Insert staid but true maxims along the lines of “Money Talks...” or “Walk the Walk...”]
The Onus is always upon the Persuader.