I can see that, however, demanding data that does not exist (and then naturally not getting it), because records were not kept as to where the high level wastes buried there because of political reasoning of the soviet union on the matter, and a general lack of funding for the zone maintainers to go hunt it down, does not mean that the highly contaminated graphite blocks mentioned just mysteriously vanished into thin air.
Likewise, the cited research on the melanized soil fungi, which indicates that it actively incorporates C14, preferrentially-- along with many reports that the mosses and ground flora are obscenely radioactive (but failing to give good readings on) all paint a pretty good picture that it is not just my imagination. The position with the least embellishment is the most likely to be true. There is more circumstantial information to support a very radioactive forest, than there is to support an overhyped forest.
We can quibble about what constitutes 'radioactive as hell', but seeing as hell is a fictional place, it could have any arbitrary value assigned to it; the lasersword applies. Demands for a specific threshold on radioactivity would then come from the biases of the one demanding the values, to assure that the reported values match those biases.
So, that street has lanes both ways here.