[creshal]

> People are already used to the basic of Docker command.

The tiny amount of existing early adopters can be made to adopt something else one more time.

[lmickh]

Not to mention that they constantly break the Docker api and interactions. Knowing the commands today is not helpful in the future. Once you get past "docker run <image>" so much has changed the last couple of years that it is pointless to hold that up as a virtue.