You could say that about literally any shady business. Imagine seeing a PDF proving tobacco leaders knew for decades that it caused cancer and saying what you did.
Being monetarily successful does not mean you’re good or shouldn’t be criticised.
If you think that this is an entirely artificial example, consider the fact that the same man designed the V-2 rockets which were hitting London during WWII, and the Saturn-5 rockets which brought astronauts to Moon: https://en.m.wikipedia.org/wiki/Wernher_von_Braun