Yes, because we know a.) that the toxicity exists and b.) how to test for it.
There is no definition of a "safe" model without significant controversy nor is there any standardized test for it. There are other reasons why that is a terrible analogy, but this is probably the most important.
There is no definition of a "safe" model without significant controversy nor is there any standardized test for it. There are other reasons why that is a terrible analogy, but this is probably the most important.