>>32257305Streaming was a fun side hobby for her, but working at HoloLive turned the hobby into a job. With that said, we saw in the fanart review stream how serious she is about drawing. In addition, she is offered a fat contract from gacha, which gives x3 in annual earnings for streaming.
Now add 2 and 2: on the one hand, there is a fun hobby that has become a job and will bring in some money. On the other hand, you can do what your soul burns about, moreover, for a lot of money. And as a bonus, you get the side hobby back. The choice becomes quite understandable.