The amount of warnings not to take while pregnant on this pack of thalidomide. (It's still useful for treating certain cancers)
(discuss.tchncs.de)
The problem with this logic is that it extends to literally every business that existed in Germany during or immediately after WWII. The guy who exposed thalidomide as a teratogen and all but stopped its use worldwide had also been a Nazi. In reality, the pharmaceutical industry in all countries in the 40s and 50s had few to no guardrails and they caused a lot of inadvertent damage