The benefits of frictional force, first of all, is that we can walk on the ground without being afraid to slip. If there was no frictional force, there would be many accidents, since the car could not be stopped.
The negative aspects include the fact that, due to friction, it is difficult for us to move various loads on the surface. Friction causes everything to deteriorate or break down.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.