Because it helps them to escape reality. It turns your world into a 3D-enhanced virtual reality room, allowing you to play with the controls as you wish, regardless of the consequences. Users lose interest in normality and forget that they also have responsibilities that cannot be sacrificed for pleasure, especially responsibilities to themselves and others around them. Drugs swallow some up like a black hole, while others can swiftly swim in the nearby space, without any problems returning back to reality and to their responsibilities.
What is your take on drug use and is society headed towards full-blown legalization of all drugs in 50+ years?
Are you Ready? (This is Defeating Stigma Mindfully)