Does anyone else find this baffling as an avenue of exploration to begin with?
The health impacts of a 30 year old healthy male smoking tobacco massively outweigh what coronavirus would do to them in 99.9 percent of cases, likely higher.
It feels a bit like saying you could reduce your chance of toe cancer by amputating your toe. Theoretically sure, if you're already in a wheelchair, why not, no toes required.
But that's a niche line of enquiry.