Why are boomers so fucked up

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Spit here cough here and there. No use tissue or mask or anyhow throw or put tissue in taxi handle

Will we all become like that in the future?

[Arctic]

Yesterday I go buy lunch also kena 1 chao boomer. He was Q-ing with a fren then he went off duno go where. After a while he came back from behind the Q but instead of asking ppl to let him go thru, he snake his way ard. Knn, open mouth say "excuse me" so difficult meh? And he's not really that old too, early 60s, seems educated also