The number of bands, and increasingly even of huge independently developed games, that started with some guy doing something in their spare time after work is exceedingly high.
In times of patronage, even being able to obtain the instruments of your art was a substantial (though even then - not insurmountable) obstacle. Now? You can buy a saxophone for 20-30 minimum wage hours, same for something like an electric guitar + amp. The cost for other arts tend to be downward from there. In modern times programmers have it the easiest. Free IDEs, free libraries, free tutorials, free everything - you just need a computer and you instantly have access to resources that would have cost tens of thousands of dollars, at one time, for free.
In times of patronage, even being able to obtain the instruments of your art was a substantial (though even then - not insurmountable) obstacle. Now? You can buy a saxophone for 20-30 minimum wage hours, same for something like an electric guitar + amp. The cost for other arts tend to be downward from there. In modern times programmers have it the easiest. Free IDEs, free libraries, free tutorials, free everything - you just need a computer and you instantly have access to resources that would have cost tens of thousands of dollars, at one time, for free.