You can do both and people have done for ages. The thing about work is that you need to do it even when you don’t want to, which makes some people resentful. But that’s the difference between a hobby and work. Passion has nothing to do here. There are passionate people who went into a job because of it and won’t trade it for anything.

It’s funny that my milling machine could actually need less than my graphics card. Like, it cuts metal

Never have I used open source software that has achieved that, or was even close to achieving it. Usually it is opinionated (you need to do it this way in this exact order, because that’s how we coded it. No, you cannot do the same thing but select from the back), lacks features and breaks. Especially CAD - comparing Solidworks to FreeCAD for instance, where in FreeCAD any change to previous ops just breaks everything. Modelling software too - Blender compared to 3ds Max - can’t do half the things.

If he cannot die then it’s not really a challenge now isn’t it?