Honestly I don’t think I’m technically adept enough to check this myself. I was following firefox privacy guides, and the (much more competent) people writing them were puzzled about those two.
Of course it’s not necessarily malicious, but it has became hard to be trusting.
In the end I kind of just gave up on privacy, I take mitigation measures as a symbolic gesture, but still assume someone’s watching over my shoulder whatever I do online. Not a good feeling to be honest.
Did a little bit of digging on that one, before being bought by Bayer, the Cutter biological division was responsible for another pharmaceutical disaster. They accidentally (?) sold 120 000 doses of polio vaccines containing the live polio virus.