Simple doesn't mean overhyped or over used. Both 'ls' and 'cd' are simple to implement. The script is more of a tutorial than it is making fun of anything. You'

Simple doesn't mean overhyped or over used. Both 'ls' and 'cd' are simple to implement. The script is more of a tutorial than it is making fun of anything. You'd need to give better reasons for why Docker is overhyped than "look at this simple script which does some Docker-like stuff".