Earlier quoted context omitted.
I think the severity of long Covid might be more debilitating as it is my understanding that the long-term consequences of pneumonia is not as long lasting. I've not known of people that have had to change their whole way of life, and possibly their career, because of pneumonia or flu but have met a few that have had to do so as a consequence of long Covid.
Psychosomatic illnesses are in fact quite serious, but they require psychological treatment, not lockdowns of society.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8321431/
(I should get bonus points for this being a Swedish study as well, since every COVID denier loves to wave around their flag.)