Here is the thing. Bash is the default on most of the servers you are going to have to work on,. Centos, RedHat, Fedora, Debian, Arch,. etc. So knowing and using Bash is kind of like knowing English in the business world.
Of course, don't let that detract from the usefulness of other shells out there. They can be fun and educational.
Of course, don't let that detract from the usefulness of other shells out there. They can be fun and educational.