Your latent passions are very likely non-specific, an affinity for particular facets of your lifestyle that resonate with you; not some specific regiment of what your business (as employee or otherwise) actually does.

So no, it doesn't predestine you down a particular career path where any deviation will leave you miserable. Your passions can apply very broadly.

Unfortunately, though, it appears to be false. It appears we have strong innate interests that we're not in control of.

What if you're interested in everything, what do you choose then?

I need to find a new job as the ceramic arts based one I'm doing now isn't working out financially. I'd like to do forestry, or maybe be a laboratory scientist, or perhaps a maths teacher, or work in a kitchen, drive an ambulance, pen tester, perhaps return to IP, or data science, or a car mechanic, or ...