Exactly and you don't need to spend full time in bitcoin to earn it, you can easily do that in your spare time, so the best option is to keep on earning from both of them.
I think the idea was to quit and work on crypto full-time, like as a dev or something that adds value. I think that's what the Cinnabon chick was talking about but I doubt she can code so she'll be filling bio paper bags at wholefoods a while longer. Some people just don't wanna put the time into it that's all.