?? 99.9% of people recover just fine and surely they still have their T cells
It’s probably a waste of breath on this forum at this point, but look it up, and how long it takes even HIV infected individuals to become clinically immunodeficient.
I've only skimmed it, but doesn't the article you linked indicate that it is only true for severe/ life-threatening cases of COVID-19?
Doesn't matter, it shows that covid can deplete t-cells as claimed up-thread.
extreme cases of covid is not relevant for 99.9% of people so that's sufficiently close enough to say your claim is exaggerated. Sure, colds can kill too, but we don't treat them the same as Ebola.
The claim that a thing happens is not invalidated by it's relative frequency. You don't get to pretend lightning doesn't exist despite the relative rarity of people being hit by it.