Who should try harder to build a relationship, parents or the kids?

So many parents have kids and think because they had the kid, they did the bare minimum of feeding and clothing the child until 18 that it's enough. Everything else the kid should do including building a loving relationship. What do you think?

We have an Amazon store (USA, Canada, Mexico) that sells wallpaper: https://www.amazon.ca/dp/B0C2PHTKS7?ref=myi_title_dp&th=1