I don't know about this above case, but how the hell industry wouldn't be able to figure out long term effects or diseases due to new techniques or the technologies they use (or spread), notably when they hire specialised scientists to study the whole thing ? Like in the tobacco industry...
... Still, these industrials pretend they have proven their products to be innoffensive. The effort for building those evidence, against all common sense, is astounding.
As much efforts are spent to hijack and chut down free energies, or in the "best" case arguing about disadvantages (costs, adaptation).
The 21st century will change, or won't be.