> Thanks to the likes of Facebook, Google and their ilk starting to stick their filthy paws into the most private medical data some years ago my answer now is always a resounding HELL, NO!

I made the exact same change in my behavior as well. I already felt that I was making a sacrifice by exposing my data to the likes of drug companies and such. Exposing my data to the likes of a FAANG-style company is simply a nonstarter.