Do swear words come easily to people ?

We see people using swear words these days at the drop of a hat.The other day I saw an old man holding on to a walking stick crossing the road and I stopped my vehicle so that he could cross, a scooter rider came zooming behind me ,nearly hit the old gentleman on the road and used a swear word( unprintable here ) at both me and the old man and vanished.Is there no respect for people and humanity anymore ? and is it right to use such words so freely?I see students using some words freely even in their everyday conversation...
More importantly is this something that children have picked up at school? or is this something that their own parents use and has been picked up at home , one wonders..


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