Not sure, if there would ever be a mass market for such, but I can totally see it (or something similar) generating lotto numbers live on t.v. .
And today, most physical products require a combination of mechanical, electronic and programming skills. Fortunately, I have all three. I suggest people likewise diligently acquire all three.
It's also fun to build useful machines.
I worked in banking all over the globe for 30 years. I did not acquire my useful skills in that profession. Money yes. Useful skills no.
I acquired my mechanical/electronics/software skills long, long ago while a postgraduate in experimental physicist at Oxford, building space instrumentation. Why did I go into banking then, you ask? Poverty is the answer!