Why do some people have to learn things the hard way

This question came from, anonymous grandma.  She wants to know, “Why do some children always have to learn the hard way?”  (thanks mom) Response:  I remember once visiting a family and having dinner with them in their home.  They had a two year old who was just about to outgrow his highchair.  They tried to put him in the chair which amounted to maneuvering his legs by bending them and