Weak article. They assert there is a problem with the data, point out at least one flaw, conclude that the entire data set is wrong and then attempt to draw conclusions from it. The author seems to be trying to use negative evidence, i.e. induction, to prove something, like in the following example:

Argument: The average age of a population is 10.

Counter-argument: At least on one of the numbers is greater than it should be.

Conclusion: The average age of a population is 8.