Because her music isnt mainstream anymore, she doesnt have a big label behind her, the time in between releases is too far apart, and she is no longer doing the type of music that made her famous. But i dont think thats a priority for her anymore. Its not necessarily a bad thing for her
Her career got suppressed when she came forwatd with allegations against extremely powerful music producer Dr. Luke, she made the brave decision to speak up and lost her career because of it. Meanwhile Dr. Luke is still in the industry to this day