There would have been one or more reasons which would have tempted each one of us to try Linux, and some of us just never looked back. Few would have probably turned out to be Linux professionals, while others would still be struggling with what's good and what's perfect.
Using the keyboard more often than a mouse is not just a trend but a productivity hack for people who live on Linux, all day long. Getting things done using the CLI is much more convenient, once you get used to it.
Remember, more than actually being difficult, Linux has been taught to be so. We would like to adhere to a new statement saying, Linux is different and not necessarily difficult.