Remember that IFR is only an estimate because the actual number of infections are not known. This is why science studies diseases based on CFR which is a known proven figure. People pushing IFR are just pushign an estimate. There have been numerous previous posts showing information about IFR for the flu which showed the 0.025% figure.
Sure. Just estimates. And if the estimates are correct that 10% have already caught it and 30-50% have already acquired Tcell immunity - then we are now looking at the same IFR.
You seem to not understand "T-Cell immunity". "T-cell immunity" is not antibodies and does not protect you from catching COVID-19. "T-Cell immunity" (if it exists for COVID) only reduces the possible severity of your symptoms when you catch COVID-19. The antibody immunity in most countries is currently well under 10%. This associated problem for COVID is that antibody immunity from catching COVID-19 appears to weaken & wear off after 8 to 12 weeks.
Which means that you won’t die which means neither IFR NoR CFR numerator increases. Tcell immunity is still immunity. Predictably, we continue to move into ‘it’s just a flu’ territory. Initial estimates are so far off they are laughable.
Posting the ugly link, or embedding it in a nice readable sentence is a choice a poster makes. I agree with the latter, the smoother-looking link, because anyone who uses the Internet should know the basic tenets of how HTTP works in a browser, and anyone who doesn't know this very basic fact is why e-mail scams work and propagate. Because it's the same way in e-mail. You cannot see it here, but the mouse pointer is hovering over the link "WHO (Accidentally) Confirms etc". Look to the bottom left of the screen...
There are browsers that do not give a url preview by hovering on a computer. Also most mobile browsers do not show a preview.