But the reality is that 99% of the time, companies don't need a chapel roof painted, they just need a quick watercolour to put in reception (abandoning the pain

But the reality is that 99% of the time, companies don't need a chapel roof painted, they just need a quick watercolour to put in reception (abandoning the painting analogy now). It's a business decision - is it cheaper to hire one genius to produce something amazing or to hire a few mediocre programmers and manage the heck out of them to produce something that just about works?