No. They are persuasive. That is a psychological fact. Go read a study or two. You want to convince someone you use a tragic story or some other such allegory. Facts rarely do so. Indeed, the MORE people you talk about the LESS people care about it.
One simple study looked at the average donation that someone would send after hearing about a destitute child. When telling the story about the child AND their sibling, the average donation went DOWN.
An aggregate of studies over many different angles of this effect are present here:
Charitable giving in 2013 exceeded $300 billion, but why do we respond to some life-saving causes while ignoring others? In our first two studies, we demonstrated that valuation of lives is associated with affective feelings (self-reported and psychophysiological) and that a decline in...
journals.plos.org
Again, it is a HARD FACT that allegorical stories, particularly those involving the hardship of just one individual are very convincing. FACT, not some arbitrary assertion that it is just supporters that latch onto these instances.