the way to correct the deficiency, whether it's in the earnings, or in the work satisfaction.

Doing "what you love" will become a drag if you're constantly in financial stress. Earning buckets of money has no meaning if you're conflicted in how or why you earn it.

Maybe a better question is which starting place would you prefer? Are you going to work hard enough to beat the crowd and become business-savvy with one of your passions, or are you going to work and stretch to create a niche that satisfies you in an otherwise soul-sucking industry?