I think it’s too soon to say, but there seems to be substantial evidence against what you’re claiming. In fact, it may be the opposite entirely:
https://www.biorxiv.org/content/10.1101/2021.04.15.440089v2....
https://www.nejm.org/doi/full/10.1056/NEJMc2032195
To be clear: I’m not arguing your later point. The questions of oversight and liability are very important and under-discussed.