On Monday, October 12, 2020 at 10:16:45 PM UTC-4, wrote:
I have been treated with dexamethasone on 5 occasions for asthma and bronchitis related illness when I was much younger. Was never given supplementary O2 or on a ventilator when being treated with this drug.

This drug is cheap and very commonly used for many issues. Sorry that doesn't fit your narrative.
Ohhh.... don't say that it might actually conflict with a medical organizations absolute authority on all things medical.
i.e. if you think you not it all, well, good luck with that...
https://www.cdc.gov/coronavirus/2019...scenarios.html