I think the suggestion is that at the earliest levels of mature fields where you've got a lot of basic and technical skills to develop, you're not really able t

I think the suggestion is that at the earliest levels of mature fields where you've got a lot of basic and technical skills to develop, you're not really able to do much useful with your taste, and it's more likely just to depress you with how far you have to go. You will need that taste to progress eventually, but in the more mechanical early phases it can be a distraction.