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The positive pressure keeps airborne contaminants away from the wearer. The germs off of the researcher in the lab as it were. I'm not sure how it would prevent contamination from getting on people outside the suit?
I do agree with the overall point that it's likely not really anyone's fault that Alexander eventually got COVID. Being perfect 100% of the time isn't feasible for anyone, even people in health-compromised situations.
If long COVID didnt make getting COVID like Russian roulette for long term disability it would be "like the flu".
I'll bite your fallacy.
Scabies are prevented by avoiding direct skin-on-skin contact. Wearing latex gloves is already effective, as is routinely changing clothing and bedding.
Is any of this something you feel is outlandish for a health professional working on hospitals and retirement homes?
Both of those things are done already and yet scabies still spreads in these environments like wild. You say that it's effective, but in actuality it isn't -- you can be so careful but all of the small mistakes add up.
That's the point. I'm suggesting a farcical solution to a farcical problem...that we need to go so far above and beyond from what's already being done in these environments.
The whole point is that it's useless and acting like this man's caregivers killed him like my comment-parent did is wildly misplaced blame.