I think your point still stands, but it's not 4% of the general population. If you have a room of 100 people with asymptomatic COVID, it wouldn't matter if any

I think your point still stands, but it's not 4% of the general population. If you have a room of 100 people with asymptomatic COVID, it wouldn't matter if any of them are spreaders; there wouldn't be anyone to spread to. I have no idea how you could determine the prevalence of asymptomatic COVID though.