It's so odd this story is being pushed. It's for the most part a non-issue. I would imagine that all of the old lead piping would have a much larger impact.
From the original WSJ article:
>“A new, uncontrolled source of lead like old telephone cables may partly explain” why children continue to have lead in their blood, said Jack Caravanos, an environmental public-health professor at New York University, who assisted the Journal in its research. “We never knew about it so we never acted on it, unlike lead in paint and pipes.”
https://www.wsj.com/articles/lead-cables-telecoms-att-toxic-...
The dog that isn't barking is the lead level results of these tests.
Ask the Flint residents.
> The dog that isn't barking is the lead level results of these tests.
Tests results depend on the test procedure.
So, they are pushing this because someone is shorting the company.