There are only about 10,000 usability consultants worldwide. There are billions of apps and websites out there, you do the math!
Benefits:
[ul]
[li]You get to work on interesting projects with a lot of nice, smart people. [/li][li]You get to work at home most of the time [/li][li]You don’t have to sit in mind-numbing meetings every day or deal with office politics. [/li][li]You get to say what you think, and people usually appreciate it. [/li][li]You get paid well.[/li][li]You get a lot of job satisfaction because when you’re finished, the things they’re building (websites or Apps ) are almost always much better than when you started.[/li][/ul]
its because it does not pay as well!
Revise your sources on the “not paying well part”