That's more a case of providing the distinct "APIs" ( bzip2 , gunzip etc) to userland / scripts, while the implementation for all is just one binary; than it be

That's more a case of providing the distinct "APIs" ( bzip2 , gunzip etc) to userland / scripts, while the implementation for all is just one binary; than it being "Configuration via name..." Somewhat similar to how busybox does its thing.