For studyi these supposed long-term effects I like to look at SARS-1 studies since we’ve had almost two decades. What we find is a few months of raidological ling abnormalities that heal, and mild cognitive deficits that linger for up to a year before disappearing completely. SARS-1 is miles worse than SARS-2 so the idea that young asymptomatic COVID-19 cases will end up with long term health problems is just completely farcical.
Unfortunately reading these studies requires a very critical lens. You showed that in your above comments but, for example, the person alleging these unproven and speculative long term impacts appears not to take that critical approach.