I think the insinuation is that because the McCanns are supposedly well connected and of a certain social class, their story may have got more coverage than the equivalent story of a lower class family of an alternative ethnic origin.
Wasn't this discussion on here just a few months ago?
Some will say how sorry they feel for the McCanns, and how they hope they find young Madeline against the odds.
Some will say they hope Maddy turns up, but accuse the McCanns of irresponsible parenting for leaving such a young child on her...