When a spider weaves a web, this is an innate, or instinctual action. A spider needs no training from other spiders (including its parents) to know how to spin a web.
Because children pick up on what they see and copy it, it is how they learn
genetics because of the traits passed down to them
They are easy to be addicted to
they can hurt your mind
they are so addictive that you use them so frequently (hence the word abusing)
